Remove checkout functionality from GOM

Tools/GardeningServer/scripts/ui/actions.js

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 34 matching lines @@
     }
 });
 
 ui.actions.Close = base.extends(Action, {
     init: function() {
         this.textContent = 'Close';
         this._eventName = 'close';
     }
 });
 
-ui.actions.Rollout = base.extends(Action, {
-    init: function() {
-        this.textContent = 'Roll out';
-        this._eventName = 'rollout';
-        this.title = 'Rolls out this revision.'
-    }
-});
-
 ui.actions.Examine = base.extends(Action, {
     init: function() {
         this.textContent = 'Examine';
         this._eventName = 'examine';
         this.title = 'Examine these failures in detail.'
     }
 });
 
 ui.actions.ExpectFailure = base.extends(Action, {
     init: function() {
@@ skipping 27 matching lines @@
     },
     add: function(action)
     {
         var item = document.createElement('li');
         item.appendChild(action);
         $(this).append(item);
     }
 });
 
 })();