Revert "Add gsutil 4.13 to telemetry/third_party"

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

-# -*- coding: utf-8 -*-
-# Copyright 2015 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.
-"""Developer Shell auth bridge.
-
-This enables Boto API auth in Developer Shell environment.
-"""
-
-from __future__ import absolute_import
-
-import oauth2client.devshell as devshell
-from boto.auth_handler import AuthHandler
-from boto.auth_handler import NotReadyToAuthenticate
-
-
-class DevshellAuth(AuthHandler):
-  """Developer Shell authorization plugin class."""
-
-  capability = ['s3']
-
-  def __init__(self, path, config, provider):
-    try:
-      self.creds = devshell.DevshellCredentials()
-    except:
-      raise NotReadyToAuthenticate()
-
-  def add_auth(self, http_request):
-    http_request.headers['Authorization'] = 'Bearer %s' % self.creds.access_token
-