Drop the copyright from app.yaml.

Author: SurferJeffAtGoogle

appengine/mail/app.yaml

@@ -1,16 +1,3 @@
-# Copyright 2016 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.
 runtime: python27
 api_version: 1
 threadsafe: yes
@@ -57,4 +44,4 @@ handlers:
   script: header.app
 - url: /
   static_files: index.html
-  upload: index.html
+  upload: index.html