Remove warning about GRD changes which is no longer required.

chrome/app/PRESUBMIT.py

Index: chrome/app/PRESUBMIT.py
diff --git a/chrome/app/PRESUBMIT.py b/chrome/app/PRESUBMIT.py
deleted file mode 100755
index 30eb75e12aeaf5ba769c023cbbb65a6ad2998d48..0000000000000000000000000000000000000000
--- a/chrome/app/PRESUBMIT.py
+++ /dev/null
@@ -1,19 +0,0 @@
-# Copyright (c) 2010 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""Notify people of GRD changes."""
-
-GRD_FILE_ENDING = 'resources.grd'
-
-def CheckChangeOnCommit(input_api, output_api):
-  results = []
-  for f in input_api.AffectedFiles():
-    if f.LocalPath().endswith(GRD_FILE_ENDING):
-      results = [ output_api.PresubmitPromptWarning('Your CL includes a GRD '
-          'change. Please notify the sheriff BEFORE landing.\nSee this page '
-          'for more information:\n  '
-          'http://dev.chromium.org/developers/tree-sheriffs/sheriff-details-'
-          'chromium') ]
-      break
-  return results