Revert "Add gsutil 4.13 to telemetry/third_party"

tools/telemetry/third_party/gsutil/gslib/no_op_credentials.py

-# -*- coding: utf-8 -*-
-# Copyright 2014 Google Inc. All Rights Reserved.
-#
-# 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.
-"""No-op implementation of credentials for JSON HTTP requests."""
-
-from __future__ import absolute_import
-
-
-class NoOpCredentials(object):
-
-  def __init__(self):
-    pass
-
-  def authorize(self, http_obj):  # pylint: disable=invalid-name
-    return http_obj
-
-  def set_store(self, store):  # pylint: disable=invalid-name
-    pass
-