Remove third_party/polymer from .gitignore

third_party/polymer/v1_0/components/iron-flex-layout/.bower.json

Index: third_party/polymer/v1_0/components/iron-flex-layout/.bower.json
diff --git a/third_party/polymer/v1_0/components/iron-flex-layout/.bower.json b/third_party/polymer/v1_0/components/iron-flex-layout/.bower.json
deleted file mode 100644
index 98650a2547b8ff6e0154cf8f9e59ee77909f326e..0000000000000000000000000000000000000000
--- a/third_party/polymer/v1_0/components/iron-flex-layout/.bower.json
+++ /dev/null
@@ -1,36 +0,0 @@
-{
-  "name": "iron-flex-layout",
-  "version": "1.0.2",
-  "description": "Provide flexbox-based layouts",
-  "keywords": [
-    "web-components",
-    "polymer",
-    "layout"
-  ],
-  "private": true,
-  "license": "http://polymer.github.io/LICENSE.txt",
-  "authors": [
-    "The Polymer Authors"
-  ],
-  "repository": {
-    "type": "git",
-    "url": "git://github.com/PolymerElements/iron-flex-layout.git"
-  },
-  "dependencies": {
-    "polymer": "Polymer/polymer#^1.0.0"
-  },
-  "devDependencies": {
-    "paper-styles": "polymerelements/paper-styles#^1.0.0",
-    "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
-  },
-  "homepage": "https://github.com/PolymerElements/iron-flex-layout",
-  "_release": "1.0.2",
-  "_resolution": {
-    "type": "version",
-    "tag": "v1.0.2",
-    "commit": "50bcecf40ab23caa7c2cd90030555e00c5ba7154"
-  },
-  "_source": "git://github.com/PolymerElements/iron-flex-layout.git",
-  "_target": "^1.0.0",
-  "_originalSource": "PolymerElements/iron-flex-layout"
-}