Revert of Add pretty printing for rappor.xml

tools/metrics/rappor/PRESUBMIT.py

-# Copyright 2015 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.
-
-"""Presubmit script for rappor.xml.
-
-See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
-for more details on the presubmit API built into gcl.
-"""
-
-
-def CheckChange(input_api, output_api):
-  """Checks that rappor.xml is pretty-printed and well-formatted."""
-  for f in input_api.AffectedTextFiles():
-    p = f.AbsoluteLocalPath()
-    if (input_api.basename(p) == 'rappor.xml'
-        and input_api.os_path.dirname(p) == input_api.PresubmitLocalPath()):
-      cwd = input_api.os_path.dirname(p)
-      exit_code = input_api.subprocess.call(
-          ['python', 'pretty_print.py', '--presubmit'], cwd=cwd)
-      if exit_code != 0:
-        return [output_api.PresubmitError(
-            'rappor.xml is not formatted correctly; run pretty_print.py '
-            'to fix')]
-  return []
-
-
-def CheckChangeOnUpload(input_api, output_api):
-  return CheckChange(input_api, output_api)
-
-
-def CheckChangeOnCommit(input_api, output_api):
-  return CheckChange(input_api, output_api)