Drop samples that would be better served by documentation.

Reviewed in https://codereview.appspot.com/10804043/.
diff --git a/samples/keyring/README b/samples/keyring/README
deleted file mode 100644
index 26e81d8..0000000
--- a/samples/keyring/README
+++ /dev/null
@@ -1,4 +0,0 @@
-Demonstrates storing Credentials in the system keyring.
-
-api: plus
-keywords: cmdline pagination oauth2
diff --git a/samples/keyring/client_secrets.json b/samples/keyring/client_secrets.json
deleted file mode 100644
index a232f37..0000000
--- a/samples/keyring/client_secrets.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "web": {
-    "client_id": "[[INSERT CLIENT ID HERE]]",
-    "client_secret": "[[INSERT CLIENT SECRET HERE]]",
-    "redirect_uris": [],
-    "auth_uri": "https://accounts.google.com/o/oauth2/auth",
-    "token_uri": "https://accounts.google.com/o/oauth2/token"
-  }
-}
diff --git a/samples/keyring/plus.py b/samples/keyring/plus.py
deleted file mode 100644
index fb19bcf..0000000
--- a/samples/keyring/plus.py
+++ /dev/null
@@ -1,139 +0,0 @@
-#!/usr/bin/python2.4
-# -*- coding: utf-8 -*-
-#
-# Copyright (C) 2010 Google Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-"""Simple command-line sample for the Google+ API.
-
-Command-line application that retrieves the users latest content and
-then adds a new entry.
-
-Usage:
-  $ python plus.py
-
-You can also get help on all the command-line flags the program understands
-by running:
-
-  $ python plus.py --help
-
-To get detailed log output run:
-
-  $ python plus.py --logging_level=DEBUG
-"""
-
-__author__ = 'jcgregorio@google.com (Joe Gregorio)'
-
-import getpass
-import gflags
-import httplib2
-import logging
-import os
-import pprint
-import sys
-
-from apiclient.discovery import build
-from oauth2client.keyring_storage import Storage
-from oauth2client.client import AccessTokenRefreshError
-from oauth2client.client import flow_from_clientsecrets
-from oauth2client.tools import run
-
-
-FLAGS = gflags.FLAGS
-
-# CLIENT_SECRETS, name of a file containing the OAuth 2.0 information for this
-# application, including client_id and client_secret, which are found
-# on the API Access tab on the Google APIs
-# Console <http://code.google.com/apis/console>
-CLIENT_SECRETS = 'client_secrets.json'
-
-# Helpful message to display in the browser if the CLIENT_SECRETS file
-# is missing.
-MISSING_CLIENT_SECRETS_MESSAGE = """
-WARNING: Please configure OAuth 2.0
-
-To make this sample run you will need to populate the client_secrets.json file
-found at:
-
-   %s
-
-with information from the APIs Console <https://code.google.com/apis/console>.
-
-""" % os.path.join(os.path.dirname(__file__), CLIENT_SECRETS)
-
-# Set up a Flow object to be used if we need to authenticate.
-FLOW = flow_from_clientsecrets(CLIENT_SECRETS,
-    scope='https://www.googleapis.com/auth/plus.me',
-    message=MISSING_CLIENT_SECRETS_MESSAGE)
-
-
-# The gflags module makes defining command-line options easy for
-# applications. Run this program with the '--help' argument to see
-# all the flags that it understands.
-gflags.DEFINE_enum('logging_level', 'ERROR',
-    ['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL'],
-    'Set the level of logging detail.')
-
-
-def main(argv):
-  # Let the gflags module process the command-line arguments
-  try:
-    argv = FLAGS(argv)
-  except gflags.FlagsError, e:
-    print '%s\\nUsage: %s ARGS\\n%s' % (e, argv[0], FLAGS)
-    sys.exit(1)
-
-  # Set the logging according to the command-line flag
-  logging.getLogger().setLevel(getattr(logging, FLAGS.logging_level))
-
-  # If the Credentials don't exist or are invalid run through the native client
-  # flow. The Storage object will ensure that if successful the good
-  # Credentials will get written back to a file.
-  storage = Storage('Google_Plus_Sample', getpass.getuser())
-  credentials = storage.get()
-
-  if credentials is None or credentials.invalid:
-    credentials = run(FLOW, storage)
-
-  # Create an httplib2.Http object to handle our HTTP requests and authorize it
-  # with our good Credentials.
-  http = httplib2.Http()
-  http = credentials.authorize(http)
-
-  service = build("plus", "v1", http=http)
-
-  try:
-    person = service.people().get(userId='me').execute(http)
-
-    print "Got your ID: %s" % person['displayName']
-    print
-    print "%-040s -> %s" % ("[Activitity ID]", "[Content]")
-
-    # Don't execute the request until we reach the paging loop below
-    request = service.activities().list(
-        userId=person['id'], collection='public')
-    # Loop over every activity and print the ID and a short snippet of content.
-    while ( request != None ):
-      activities_doc = request.execute()
-      for item in activities_doc.get('items', []):
-        print '%-040s -> %s' % (item['id'], item['object']['content'][:30])
-
-      request = service.activities().list_next(request, activities_doc)
-
-  except AccessTokenRefreshError:
-    print ("The credentials have been revoked or expired, please re-run"
-      "the application to re-authorize")
-
-if __name__ == '__main__':
-  main(sys.argv)
diff --git a/samples/threadqueue/README b/samples/threadqueue/README
deleted file mode 100644
index c7d482d..0000000
--- a/samples/threadqueue/README
+++ /dev/null
@@ -1,4 +0,0 @@
-Demonstrates using threading and thread queues for handling a high volume of requests.
-
-api: 
-keywords: cmdline threading
diff --git a/samples/threadqueue/main.py b/samples/threadqueue/main.py
deleted file mode 100644
index 5b9764a..0000000
--- a/samples/threadqueue/main.py
+++ /dev/null
@@ -1,159 +0,0 @@
-# Copyright (C) 2010 Google Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""Sample for threading and queues.
-
-A simple sample that processes many requests by constructing a threadpool and
-passing client requests by a thread queue to be processed.
-"""
-from apiclient.discovery import build
-from apiclient.errors import HttpError
-from oauth2client.file import Storage
-from oauth2client.client import OAuth2WebServerFlow
-from oauth2client.tools import run
-
-import Queue
-import gflags
-import httplib2
-import logging
-import sys
-import threading
-import time
-
-# How many threads to start.
-NUM_THREADS = 3
-
-# A list of URLs to shorten.
-BULK = [
-    "https://code.google.com/apis/moderator/",
-    "https://code.google.com/apis/latitude/",
-    "https://code.google.com/apis/urlshortener/",
-    "https://code.google.com/apis/customsearch/",
-    "https://code.google.com/apis/shopping/search/",
-    "https://code.google.com/apis/predict",
-    "https://code.google.com/more",
-    ]
-
-FLAGS = gflags.FLAGS
-FLOW = OAuth2WebServerFlow(
-    client_id='433807057907.apps.googleusercontent.com',
-    client_secret='jigtZpMApkRxncxikFpR+SFg',
-    scope='https://www.googleapis.com/auth/urlshortener',
-    user_agent='urlshortener-cmdline-sample/1.0')
-
-gflags.DEFINE_enum('logging_level', 'ERROR',
-    ['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL'],
-    'Set the level of logging detail.')
-
-queue = Queue.Queue()
-
-
-class Backoff:
-  """Exponential Backoff
-
-  Implements an exponential backoff algorithm.
-  Instantiate and call loop() each time through
-  the loop, and each time a request fails call
-  fail() which will delay an appropriate amount
-  of time.
-  """
-
-  def __init__(self, maxretries=8):
-    self.retry = 0
-    self.maxretries = maxretries
-    self.first = True
-
-  def loop(self):
-    if self.first:
-      self.first = False
-      return True
-    else:
-      return self.retry < self.maxretries
-
-  def fail(self):
-    self.retry += 1
-    delay = 2 ** self.retry
-    time.sleep(delay)
-
-
-def start_threads(credentials):
-  """Create the thread pool to process the requests."""
-
-  def process_requests(n):
-    http = httplib2.Http()
-    http = credentials.authorize(http)
-    loop = True
-
-
-    while loop:
-      request = queue.get()
-      backoff = Backoff()
-      while backoff.loop():
-        try:
-          response = request.execute(http=http)
-          print "Processed: %s in thread %d" % (response['id'], n)
-          break
-        except HttpError, e:
-          if e.resp.status in [402, 403, 408, 503, 504]:
-            print "Increasing backoff, got status code: %d" % e.resp.status
-            backoff.fail()
-        except Exception, e:
-          print "Unexpected error. Exiting." + str(e)
-          loop = False
-          break
-
-      print "Completed request"
-      queue.task_done()
-
-
-  for i in range(NUM_THREADS):
-    t = threading.Thread(target=process_requests, args=[i])
-    t.daemon = True
-    t.start()
-
-
-def main(argv):
-  try:
-    argv = FLAGS(argv)
-  except gflags.FlagsError, e:
-    print '%s\\nUsage: %s ARGS\\n%s' % (e, argv[0], FLAGS)
-    sys.exit(1)
-
-  logging.getLogger().setLevel(getattr(logging, FLAGS.logging_level))
-
-  storage = Storage('threadqueue.dat')
-  credentials = storage.get()
-  if credentials is None or credentials.invalid == True:
-    credentials = run(FLOW, storage)
-
-  start_threads(credentials)
-
-  http = httplib2.Http()
-  http = credentials.authorize(http)
-
-  service = build("urlshortener", "v1", http=http,
-            developerKey="AIzaSyDRRpR3GS1F1_jKNNM9HCNd2wJQyPG3oN0")
-  shortener = service.url()
-
-  for url in BULK:
-    body = {"longUrl": url }
-    shorten_request = shortener.insert(body=body)
-    print "Adding request to queue"
-    queue.put(shorten_request)
-
-  # Wait for all the requests to finish
-  queue.join()
-
-
-if __name__ == "__main__":
-  main(sys.argv)