Remove unneeded files from third_party/polymer.

third_party/polymer/v1_0/components-chromium/iron-overlay-behavior/.bower.json

Index: third_party/polymer/v1_0/components-chromium/iron-overlay-behavior/.bower.json
diff --git a/third_party/polymer/v1_0/components-chromium/iron-overlay-behavior/.bower.json b/third_party/polymer/v1_0/components-chromium/iron-overlay-behavior/.bower.json
deleted file mode 100644
index b71ee8d9dd16ed966ae5d2161ea96ffa15456d58..0000000000000000000000000000000000000000
--- a/third_party/polymer/v1_0/components-chromium/iron-overlay-behavior/.bower.json
+++ /dev/null
@@ -1,47 +0,0 @@
-{
-  "name": "iron-overlay-behavior",
-  "version": "1.4.1",
-  "license": "http://polymer.github.io/LICENSE.txt",
-  "description": "Provides a behavior for making an element an overlay",
-  "private": true,
-  "main": "iron-overlay-behavior.html",
-  "keywords": [
-    "web-components",
-    "polymer",
-    "behavior",
-    "overlay"
-  ],
-  "authors": [
-    "The Polymer Authors"
-  ],
-  "repository": {
-    "type": "git",
-    "url": "git://github.com/PolymerElements/iron-overlay-behavior.git"
-  },
-  "dependencies": {
-    "iron-a11y-keys-behavior": "PolymerElements/iron-a11y-keys-behavior#^1.0.0",
-    "iron-fit-behavior": "PolymerElements/iron-fit-behavior#^1.0.0",
-    "iron-resizable-behavior": "PolymerElements/iron-resizable-behavior#^1.0.0",
-    "polymer": "Polymer/polymer#^1.0.0"
-  },
-  "devDependencies": {
-    "iron-component-page": "PolymerElements/iron-component-page#^1.0.0",
-    "iron-demo-helpers": "PolymerElements/iron-demo-helpers#^1.0.0",
-    "iron-flex-layout": "PolymerElements/iron-flex-layout#^1.0.0",
-    "iron-test-helpers": "PolymerElements/iron-test-helpers#^1.0.0",
-    "paper-styles": "PolymerElements/paper-styles#^1.0.2",
-    "web-component-tester": "^4.0.0",
-    "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
-  },
-  "ignore": [],
-  "homepage": "https://github.com/PolymerElements/iron-overlay-behavior",
-  "_release": "1.4.1",
-  "_resolution": {
-    "type": "version",
-    "tag": "v1.4.1",
-    "commit": "4aefb7bc41aecef69022d6435133c430fc52d3ba"
-  },
-  "_source": "git://github.com/PolymerElements/iron-overlay-behavior.git",
-  "_target": "^1.0.0",
-  "_originalSource": "PolymerElements/iron-overlay-behavior"
-}