Remove redudant event listener

Author: josbeir

webroot/js/inject-iframe.js

@@ -133,7 +133,6 @@ if (elem) {
   if (doc.addEventListener) {
     // This ensures that all event listeners get applied only once.
     if (!win.debugKitListenersApplied) {
-      doc.addEventListener('DOMContentLoaded', onReady, false);
       if (!win.debugKitAjaxProxied) {
         doc.addEventListener('DOMContentLoaded', proxyAjaxOpen, false);
         doc.addEventListener('DOMContentLoaded', proxyAjaxSend, false);