Clean up package.json

Author: leoj3n

package.json

@@ -7,14 +7,11 @@
     "grunt-contrib-clean": "~0.5.0",
     "grunt-contrib-concat": "~0.3.0",
     "grunt-contrib-connect": "~0.5.0",
-    "grunt-contrib-copy": "~0.4.1",
     "grunt-contrib-jshint": "~0.7.0",
     "grunt-contrib-less": "~0.8.3",
-    "grunt-contrib-uglify": "~0.2.0",
     "grunt-contrib-watch": "~0.5.2",
     "grunt-newer": "*",
     "grunt-run": "^0.2.4",
-    "grunt-run-grunt": "^0.1.4",
     "jshint-stylish": "~0.1.3",
     "load-grunt-config": "*",
     "time-grunt": "~0.2.0"