fix(package.json): Remove dev dependency on bower

Author: dalelotts

package.json

@@ -20,7 +20,6 @@
   },
   "devDependencies": {
     "angular-mocks": "^1.x",
-    "bower": "latest",
     "cz-conventional-changelog": "^1.1.5",
     "grunt": "^0.4.4",
     "grunt-bump": "^0.7.0",