remove old grunt packages

package.json

@@ -17,17 +17,8 @@
     "compression": "^1.4.3",
     "express": "^4.12.3",
     "grunt": "^0.4.5",
-    "grunt-cli": "^0.1.13",
-    "grunt-contrib-clean": "^0.6.0",
-    "grunt-contrib-coffee": "^0.13.0",
-    "grunt-contrib-concat": "^0.5.1",
-    "grunt-contrib-copy": "^0.8.0",
-    "grunt-contrib-uglify": "^0.9.1",
-    "grunt-contrib-watch": "^0.6.1",
-    "grunt-open": "^0.2.3",
     "hashmerge": "^1.0.2",
     "jasmine": "^2.3.1",
-    "matchdep": "^0.3.0",
     "meteor-build-client": "^0.1.6",
     "methodmissing": "^0.0.3",
     "python": "^0.0.4",