Revert "1.486 special for a week."

This reverts commit c8e5cb93.

changelog.html

@@ -108,8 +108,6 @@ Upcoming changes</a>
   <li class=bug>
     Memory exhaustion parsing large test stdio from Surefire.
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-15382">issue 15382</a>)
-  <li class=rfe>
-    In celebration of the release number '486', background image will be 80486 for a week.
 </ul>
 <h3><a name=v1.485>What's new in 1.485</a> (2012/10/07)</h3>
 <ul class=image>

core/src/main/java/hudson/Functions.java

@@ -1537,12 +1537,4 @@ public class Functions {
         DecimalFormat format = new DecimalFormat("##.00");
         return format.format(number) + " " + measure;
     }
-
-    /**
-     * 1.486 special
-     */
-    public static String getBackgroundImage() {
-        // for one week.
-        return System.currentTimeMillis() < 1350696100409L ? "i486.jpg" : "jenkins.png";
-    }
 }

core/src/main/resources/lib/layout/layout.jelly

@@ -206,7 +206,7 @@ ${h.initPageVariables(context)}
       </l:breadcrumbBar>
     </table>
     <table id="main-table" width="100%" height="70%" border="0"
-        style="background-image: url(${imagesURL}/${h.backgroundImage});
+        style="background-image: url(${imagesURL}/jenkins.png);
                background-repeat: no-repeat; background-position: bottom left;">
       <tr>
         <td id="side-panel" width="20%">