Fix Polymer licensing issues

third_party/web-animations-js/sources/package.json

Index: third_party/web-animations-js/sources/package.json
diff --git a/third_party/web-animations-js/sources/package.json b/third_party/web-animations-js/sources/package.json
deleted file mode 100644
index b579b79d6c03b6182235047bf146ca38a49001df..0000000000000000000000000000000000000000
--- a/third_party/web-animations-js/sources/package.json
+++ /dev/null
@@ -1,33 +0,0 @@
-{
-  "name": "web-animations-js",
-  "private": true,
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/web-animations/web-animations-js.git"
-  },
-  "devDependencies": {
-    "mocha": "1.21.4",
-    "chai": "^1.9.1",
-    "grunt": "~0.4.5",
-    "grunt-contrib-uglify": "^0.4.0",
-    "grunt-gjslint": "^0.1.4",
-    "grunt-karma": "^0.8.2",
-    "karma": "^0.12.14",
-    "karma-mocha": "^0.1.3",
-    "karma-chai": "^0.1.0",
-    "karma-chrome-launcher": "~0.1.4",
-    "karma-firefox-launcher": "~0.1.3",
-    "karma-ie-launcher": "~0.1.5",
-    "karma-safari-launcher": "~0.1.1",
-    "karma-sauce-launcher": "~0.2.3",
-    "grunt-checkrepo": "~0.1.0",
-    "grunt-saucelabs": "~4.0.2",
-    "grunt-checkrepo": "~0.1.0",
-    "grunt-git-status": "~1.0.0",
-    "grunt-template": "~0.2.3",
-    "source-map": "~0.1.40"
-  },
-  "scripts": {
-    "test": "grunt test gjslint git-status checkrepo"
-  }
-}