shill: Remove deprecated mm_debug script.

mm_debug has been deprecated and replaced by 'modem set-logging'.

BUG=None
CQ-DEPEND=CL:191929
TEST=`USE=cellular FEATURES=test emerge-$BOARD platform2`
TEST=Verify via Chromium, Chromium OS and Chrome OS code search that mm_debug is not being used.

Change-Id: If5ca095905fbfc5a51146f1a3b115c0e00eedaaa
Reviewed-on: https://chromium-review.googlesource.com/191970
Tested-by: Ben Chan <benchan@chromium.org>
Reviewed-by: Christopher Wiley <wiley@chromium.org>
Reviewed-by: Prathmesh Prabhu <pprabhu@chromium.org>
Commit-Queue: Ben Chan <benchan@chromium.org>
diff --git a/bin/mm_debug b/bin/mm_debug
deleted file mode 100755
index 4ed0988..0000000
--- a/bin/mm_debug
+++ /dev/null
@@ -1,119 +0,0 @@
-#!/bin/bash
-#
-# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-#
-# Script that turns on useful logging for modem managers.
-
-
-MM_LEVEL_LIST="err warn info debug"
-
-usage() {
-  echo "
-Usage: mm_debug <level>|--reset|--help|--list_valid_levels
-
-  mm_debug sets the log level of all running modem managers.
-
-  <level> : The log level of modem managers to set to. Valid log levels
-            can be viewed by using the --list_valid_levels option.
-
-            e.g. mm_debug err
-              Sets the log level of all running modem managers to 'err'.
-
-  --reset : Resets the log level of all running modem managers to 'info'.
-
-  --help : Displays this output.
-
-  --list_valid_levels: Displays all valid log levels.
-"
-}
-
-dbus_call() {
-  local dest=$1
-  local object_path=$2
-  local method=$3
-  shift 3
-  dbus-send --print-reply --fixed --system --dest=$dest \
-      "$object_path" "$method" "$@"
-}
-
-# Lists all valid log levels.
-list_valid_levels() {
-  echo "Valid levels are: ${MM_LEVEL_LIST// /, }"
-}
-
-# Returns whether or not $2 exists in $1 where $1 is a space-separated
-# list of log levels.
-is_valid_level() {
-  expr match " $1 " ".* $2 .*"> /dev/null
-}
-
-# Returns all modem managers that are currently running.
-get_all_modem_managers() {
-  dbus_call org.freedesktop.DBus /org/freedesktop/DBus \
-      org.freedesktop.DBus.ListNames | awk '/ModemManager/ { print $2 }'
-}
-
-# Sets the log level of the specified modem manager.
-set_modem_manager_logging() {
-  local manager=$1
-  local level=$2
-  local object_path=
-  local method=
-
-  case "$manager" in
-    org.chromium.ModemManager)
-      object_path=/org/chromium/ModemManager
-      method=org.freedesktop.ModemManager.SetLogging
-      if [[ "$level" == "err" ]]; then
-        level=error
-      fi
-      ;;
-    org.freedesktop.ModemManager1)
-      object_path=/org/freedesktop/ModemManager1
-      method=org.freedesktop.ModemManager1.SetLogging
-      ;;
-    *)
-      return 1
-      ;;
-  esac
-
-  dbus_call "$manager" "$object_path" "$method" "string:$level"
-}
-
-# Sets the log level of all modem managers that are currently running.
-set_all_modem_managers_logging() {
-  local level=$1
-
-  if ! is_valid_level "$MM_LEVEL_LIST" "$level"; then
-    echo "ERROR: '$level' is not a valid level."
-    list_valid_levels
-    return 1
-  fi
-
-  for manager in $(get_all_modem_managers); do
-    set_modem_manager_logging "$manager" "$level"
-  done
-}
-
-
-if [ $# -ne 1 ]; then
-  usage
-  exit 1
-fi
-
-case "$1" in
-  --reset)
-    set_all_modem_managers_logging "info"
-    ;;
-  --list_valid_levels)
-    list_valid_levels
-    ;;
-  --help|--*)
-    usage
-    ;;
-  *)
-    set_all_modem_managers_logging "$1"
-    ;;
-esac