Fix Polymer licensing issues

third_party/web-animations-js/sources/web-animations-next-lite.dev.html

Index: third_party/web-animations-js/sources/web-animations-next-lite.dev.html
diff --git a/third_party/web-animations-js/sources/web-animations-next-lite.dev.html b/third_party/web-animations-js/sources/web-animations-next-lite.dev.html
deleted file mode 100644
index 82bb8aeb4104402e8aaa67519ca31727de67f1d4..0000000000000000000000000000000000000000
--- a/third_party/web-animations-js/sources/web-animations-next-lite.dev.html
+++ /dev/null
@@ -1,44 +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.
--->
-<script src="src/dev.js"></script>
-<script src="src/scope.js"></script>
-<script src="src/timing-utilities.js"></script>
-<script src="src/normalize-keyframes.js"></script>
-<script src="src/deprecation.js"></script>
-<script src="src/animation-node.js"></script>
-<script src="src/effect.js"></script>
-<script src="src/property-interpolation.js"></script>
-<script src="src/animation.js"></script>
-<script src="src/apply.js"></script>
-<script src="src/element-animatable.js"></script>
-<script src="src/interpolation.js"></script>
-<script src="src/player.js"></script>
-<script src="src/tick.js"></script>
-<script src="src/handler-utils.js"></script>
-<script src="src/shadow-handler.js"></script>
-<script src="src/number-handler.js"></script>
-<script src="src/visibility-handler.js"></script>
-<script src="src/color-handler.js"></script>
-<script src="src/dimension-handler.js"></script>
-<script src="src/box-handler.js"></script>
-<script src="src/transform-handler.js"></script>
-<script src="src/property-names.js"></script>
-<script src="src/timeline.js"></script>
-<script src="src/web-animations-next-player.js"></script>
-<script src="src/animation-constructor.js"></script>
-<script src="src/effect-callback.js"></script>
-<script src="src/group-constructors.js"></script>
-