Build: Remove json check for jscs config

(cherry-picked from 1514dca5)

Gruntfile.js

@@ -74,10 +74,6 @@ module.exports = function( grunt ) {
 				src: [ "package.json" ]
 			},
 
-			jscs: {
-				src: [ ".jscs.json" ]
-			},
-
 			bower: {
 				src: [ "bower.json" ]
 			}