Update listhook.js

Author: hpssjellis

github-js/modules/listhook.js

@@ -1,5 +1,5 @@
-var GitHub = require("github-api");
-var Promise = require("es6-promise").Promise;
+//var GitHub = require("github-api");
+//var Promise = require("es6-promise").Promise;
 
 var gh = new GitHub({
   username: 'foo',