package.json - remove deps not needed

presentation/package.json

@@ -24,18 +24,16 @@
     "node": ">= 0.8.0"
   },
   "scripts": {
-    "test": "grunt test"
+    "test": "echo \"Error: no test specified\" && exit 1"
   },
   "devDependencies": {
     "amber-dev": "^0.2.3",
     "grunt": "^0.4.5",
-    "grunt-contrib-clean": "^0.6.0",
     "grunt-contrib-requirejs": "^0.4.4",
-    "grunt-execute": "^0.2.2",
     "requirejs": "^2.1.15"
   },
   "keywords": [
     "Amber",
     "Smalltalk"
   ]
-}
+}