remove dependency not in use

cjblomqvist · cjblomqvist · commit 8d8ed667a302 · 2014-08-27T17:20:39.000+02:00
diff --git a/lib/draggable.js b/lib/draggable.js
@@ -2,7 +2,6 @@
 
 /** @jsx React.DOM */
 var React = require('react/addons');
-var invariant = require('react/lib/invariant');
 var emptyFunction = require('react/lib/emptyFunction');
 
 function createUIEvent(draggable) {
