Remove third_party/polymer from .gitignore

third_party/polymer/v1_0/components/paper-icon-button/bower.json

Index: third_party/polymer/v1_0/components/paper-icon-button/bower.json
diff --git a/third_party/polymer/v1_0/components/paper-icon-button/bower.json b/third_party/polymer/v1_0/components/paper-icon-button/bower.json
deleted file mode 100644
index f7fe35cd4ea6b39f3e72db8d405107adcfca149a..0000000000000000000000000000000000000000
--- a/third_party/polymer/v1_0/components/paper-icon-button/bower.json
+++ /dev/null
@@ -1,37 +0,0 @@
-{
-  "name": "paper-icon-button",
-  "private": true,
-  "version": "1.0.3",
-  "license": "http://polymer.github.io/LICENSE.txt",
-  "description": "A material design icon button",
-  "main": "paper-icon-button.html",
-  "author": [
-    "The Polymer Authors"
-  ],
-  "keywords": [
-    "web-components",
-    "polymer",
-    "button",
-    "icon",
-    "control"
-  ],
-  "repository": {
-    "type": "git",
-    "url": "git://github.com/PolymerElements/paper-icon-button.git"
-  },
-  "dependencies": {
-    "iron-flex-layout": "polymerelements/iron-flex-layout#^1.0.0",
-    "iron-icon": "polymerelements/iron-icon#^1.0.0",
-    "iron-icons": "polymerelements/iron-icons#^1.0.0",
-    "paper-behaviors": "polymerelements/paper-behaviors#^1.0.0",
-    "paper-ripple": "polymerelements/paper-ripple#^1.0.0",
-    "paper-styles": "polymerelements/paper-styles#^1.0.0",
-    "polymer": "Polymer/polymer#^1.0.0"
-  },
-  "devDependencies": {
-    "iron-component-page": "polymerelements/iron-component-page#^1.0.0",
-    "test-fixture": "polymerelements/test-fixture#^1.0.0",
-    "web-component-tester": "*",
-    "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
-  }
-}