Remove obsolete scripts/packages

We don't use OpenAssets anymore, and the logger is used from 67P/botka
now.

package.json

@@ -15,11 +15,9 @@
     "hubot-help": "^0.1.1",
     "hubot-incoming-webhook": "^1.0.1",
     "hubot-irc": "^0.2.9",
-    "hubot-openassets": "^0.9.0",
     "hubot-plusplus": "^1.1.5",
     "hubot-read-tweet": "0.0.2",
     "hubot-redis-brain": "0.0.2",
-    "hubot-remotestorage-logger": "^0.4.0",
     "hubot-rss-reader": "git://github.com/67P/hubot-rss-reader.git",
     "hubot-rules": "^0.1.0",
     "hubot-scripts": "^2.5.16",