Update hubot-kredits

package.json

@@ -19,7 +19,7 @@
     "hubot-help": "^0.1.1",
     "hubot-incoming-webhook": "^1.0.1",
     "hubot-irc": "^0.2.9",
-    "hubot-kredits": "^1.3.0",
+    "hubot-kredits": "^1.4.0",
     "hubot-plusplus": "^1.1.5",
     "hubot-read-tweet": "0.0.2",
     "hubot-redis-brain": "0.0.2",
@@ -30,7 +30,6 @@
     "hubot-shipit": "^0.2.0",
     "hubot-tell": "^1.2.3",
     "hubot-yubikey-invalidation": "0.0.3",
-    "kredits-contracts": "^2.0.0",
     "node-fetch": "^1.6.3",
     "request": "2.30.0"
   },