Remove the Expected Failures tab

Tools/GardeningServer/scripts/ui/failures.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 115 matching lines @@
     {
         this._pendingReset = false;
         this._resultRows = {};
         $(this._body).empty();
         // Add the BUILDING row eagerly so that it appears last.
         this._rowByResult(kBuildingResult);
         $(this._resultRows[kBuildingResult]).hide();
     }
 });
 
-ui.failures.ListItem = base.extends('li', {
-    init: function(groupName, failingTestsList)
-    {
-        this._failingTestsList = failingTestsList;
-        this.appendChild(new ui.actions.List([
-            new ui.actions.Examine().makeDefault(),
-        ]));
-        var label = this.appendChild(document.createElement('label'))
-        label.textContent = failingTestsList.length == 1 ? failingTestsList[0] : groupName;
-    },
-});
-
-ui.failures.List = base.extends('ul', {
-    init: function()
-    {
-        this.className = 'failures';
-        this.textContent = 'Loading...';
-    }
-});
-
 })();