Remove Hangout Remote Desktop integration code from the webapp.

remoting/webapp/crd/js/desktop_remoting.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview
  * This class implements the functionality that is specific to desktop
  * remoting ("Chromoting" or CRD).
  */
 
@@ skipping 296 matching lines @@
   // Reset the refresh flag so that the next connection will retry if needed.
   this.refreshHostJidIfOffline_ = true;
 
   var errorDiv = document.getElementById('connect-error-message');
   l10n.localizeElementFromTag(errorDiv, /** @type {string} */ (errorTag));
 
   var mode = remoting.clientSession ? remoting.desktopConnectedView.getMode()
       : this.app_.getSessionConnector().getConnectionMode();
   if (mode == remoting.DesktopConnectedView.Mode.IT2ME) {
     remoting.setMode(remoting.AppMode.CLIENT_CONNECT_FAILED_IT2ME);
-    remoting.hangoutSessionEvents.raiseEvent(
-        remoting.hangoutSessionEvents.sessionStateChanged,
-        remoting.ClientSession.State.FAILED
-    );
   } else {
     remoting.setMode(remoting.AppMode.CLIENT_CONNECT_FAILED_ME2ME);
   }
 };