remove the deprecation warnings for the old threading API; update the docs

Reviewer: Benjamin Peterson
diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py
index c6a5cf4..775e312 100644
--- a/Lib/test/test_threading.py
+++ b/Lib/test/test_threading.py
@@ -323,44 +323,18 @@
                           msg=('%d references still around' %
                                sys.getrefcount(weak_raising_cyclic_object())))
 
-    def test_pep8ified_threading(self):
-        def check(_, w, msg):
-            self.assertEqual(str(w.message), msg)
-
+    def test_old_threading_api(self):
+        # Just a quick sanity check to make sure the old method names are
+        # still present
         t = threading.Thread()
-        with catch_warning() as w:
-            try:
-                del threading.__warningregistry__
-            except AttributeError:
-                pass
-            msg = "isDaemon() is deprecated in favor of the " \
-                  "Thread.daemon property"
-            check(t.isDaemon(), w, msg)
-            w.reset()
-            msg = "setDaemon() is deprecated in favor of the " \
-                  "Thread.daemon property"
-            check(t.setDaemon(True), w, msg)
-            w.reset()
-            msg = "getName() is deprecated in favor of the " \
-                  "Thread.name property"
-            check(t.getName(), w, msg)
-            w.reset()
-            msg = "setName() is deprecated in favor of the " \
-                  "Thread.name property"
-            check(t.setName("name"), w, msg)
-            w.reset()
-            msg = "isAlive() is deprecated in favor of is_alive()"
-            check(t.isAlive(), w, msg)
-            w.reset()
-            e = threading.Event()
-            msg = "isSet() is deprecated in favor of is_set()"
-            check(e.isSet(), w, msg)
-            w.reset()
-            msg = "currentThread() is deprecated in favor of current_thread()"
-            check(threading.currentThread(), w, msg)
-            w.reset()
-            msg = "activeCount() is deprecated in favor of active_count()"
-            check(threading.activeCount(), w, msg)
+        t.isDaemon()
+        t.setDaemon(True)
+        t.getName()
+        t.setName("name")
+        t.isAlive()
+        e = threading.Event()
+        e.isSet()
+        threading.activeCount()
 
 
 class ThreadJoinOnShutdown(unittest.TestCase):