depot_tools: Remove third_party/gsutil

third_party/gsutil/gslib/no_op_auth_plugin.py

-# Copyright 2011 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.
-
-# This code implements a no-op auth plugin, which allows users to use
-# gsutil for accessing publicly readable buckets and objects without first
-# signing up for an account.
-
-from boto.auth_handler import AuthHandler
-
-
-class NoOpAuth(AuthHandler):
-
-  capability = ['s3']
-
-  def __init__(self, path, config, provider):
-    pass
-
-  def add_auth(self, http_request):
-    pass