Remove deprecated bower dependency

Author: ruipenso

package.json

@@ -28,7 +28,6 @@
   },
   "devDependencies": {
     "angular-mocks": "^1.3.9",
-    "bower": "^1.3.12",
     "github-changes": "^1.0.0",
     "gulp": "^3.8.10",
     "gulp-babel": "^5.3.0",