Improve flattening of results from pushAdapter

package.json

@@ -18,7 +18,6 @@
   ],
   "license": "BSD-3-Clause",
   "dependencies": {
-    "apn": "^1.7.5",
     "babel-polyfill": "^6.5.0",
     "babel-runtime": "^6.5.0",
     "bcrypt-nodejs": "0.0.3",
@@ -32,7 +31,6 @@
     "mime": "^1.3.4",
     "mongodb": "~2.1.0",
     "multer": "^1.1.0",
-    "node-gcm": "^0.14.0",
     "parse": "^1.8.0",
     "parse-server-fs-adapter": "^1.0.0",
     "parse-server-gcs-adapter": "^1.0.0",