Removed unused dependency

Author: robneu

package.json

@@ -24,7 +24,6 @@
     "grunt-contrib-imagemin": "1.x",
     "grunt-contrib-uglify": "2.x",
     "grunt-contrib-watch": "1.x",
-    "grunt-jsbeautifier": "0.x",
     "grunt-newer": "1.x",
     "grunt-postcss": "0.x",
     "grunt-replace": "1.x",