Update packages, remove deprecated pacakges.

package.json

@@ -7,23 +7,17 @@
   "dependencies": {
     "hubot": "^3.3.2",
     "hubot-diagnostics": "^1.0.0",
-    "hubot-dice": "^1.0.0",
     "hubot-google-images": "^0.2.7",
     "hubot-google-translate": "^0.2.1",
     "hubot-help": "^1.0.1",
     "hubot-heroku-keepalive": "^1.0.3",
     "hubot-karma": "^0.2.3",
     "hubot-maps": "0.0.3",
-    "hubot-meme": "^1.3.2",
     "hubot-pugme": "^0.1.1",
     "hubot-redis-brain": "^1.0.0",
     "hubot-rules": "^1.0.0",
     "hubot-scripts": "^2.17.2",
     "hubot-shipit": "^0.2.1",
-    "hubot-slack": "^4.9.0",
-    "jobot-brain-file": "^1.0.1"
-  },
-  "engines": {
-    "node": "0.10.x"
+    "hubot-slack": "^4.9.0"
   }
 }