Fix Polymer licensing issues

third_party/web-animations-js/sources/src/dev.js

Index: third_party/web-animations-js/sources/src/dev.js
diff --git a/third_party/web-animations-js/sources/src/dev.js b/third_party/web-animations-js/sources/src/dev.js
deleted file mode 100644
index a5e225c08c237d6c5e929af6afecf78ce48cb08c..0000000000000000000000000000000000000000
--- a/third_party/web-animations-js/sources/src/dev.js
+++ /dev/null
@@ -1,16 +0,0 @@
-// 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.
-
-var WEB_ANIMATIONS_TESTING = false;
-var webAnimationsTesting = null;