Cleanup some garden-o-matic cruft and dead code.

Tools/GardeningServer/scripts/ui.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 193 matching lines @@
         this._tabs.tabs('select', tabIndex);
     },
     select: function(tabName)
     {
         this._saveScrollOffset();
         this._selectInternal(tabName);
         window.location = '#' + tabName;
     }
 });
 
-// FIXME: Loading a module shouldn't set off a timer.  The controller should kick this off.
-setInterval(function() {
-    Array.prototype.forEach.call(document.querySelectorAll("time.relative"), function(time) {
-        time.update && time.update();
-    });
-}, config.kRelativeTimeUpdateFrequency);
-
-ui.RelativeTime = base.extends('time', {
-    init: function()
-    {
-        this.className = 'relative';
-    },
-    date: function()
-    {
-        return this._date;
-    },
-    update: function()
-    {
-        this.textContent = this._date ? base.relativizeTime(this._date) : '';
-    },
-    setDate: function(date)
-    {
-        this._date = date;
-        this.update();
-    }
-});
-
 ui.TreeStatus = base.extends('div',  {
     addStatus: function(name)
     {
         var label = document.createElement('div');
         label.textContent = " " + name + ' status: ';
         this.appendChild(label);
         var statusSpan = document.createElement('span');
         statusSpan.textContent = '(Loading...) ';
         label.appendChild(statusSpan);
         treestatus.fetchTreeStatus(treestatus.urlByName(name), statusSpan);
@@ skipping 188 matching lines @@
 
         Promise.all([checkout.lastBlinkRollRevision(), rollbot.fetchCurrentRoll()]).then(function(results) {
             theSpan.lastRolledRevision = results[0];
             theSpan.roll = results[1];
             theSpan.updateUI(totRevision);
         });
     }
 });
 
 })();