Index: modules/system/system.install
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.install,v
retrieving revision 1.532
diff -u -p -r1.532 system.install
--- modules/system/system.install	2 Jan 2011 17:26:39 -0000	1.532
+++ modules/system/system.install	7 Feb 2011 03:55:17 -0000
@@ -2973,6 +2973,14 @@ function system_update_7069() {
 }
 
 /**
+ * Remove the obsolete 'drupal_badge_color' and 'drupal_badge_size' variables.
+ */
+function system_update_7070() {
+  variable_del('drupal_badge_color');
+  variable_del('drupal_badge_size');
+}
+
+/**
  * @} End of "defgroup updates-6.x-to-7.x"
  * The next series of updates should start at 8000.
  */
Index: modules/system/system.js
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.js,v
retrieving revision 1.41
diff -u -p -r1.41 system.js
--- modules/system/system.js	13 Oct 2010 13:43:21 -0000	1.41
+++ modules/system/system.js	7 Feb 2011 03:55:17 -0000
@@ -114,19 +114,6 @@ Drupal.behaviors.dateTime = {
   }
 };
 
-/**
- * Show the powered by Drupal image preview
- */
-Drupal.behaviors.poweredByPreview = {
-  attach: function (context, settings) {
-    $('#edit-color, #edit-size').change(function () {
-      var path = settings.basePath + 'misc/' + $('#edit-color').val() + '-' + $('#edit-size').val() + '.png';
-      $('img.powered-by-preview').attr('src', path);
-    });
-  }
-};
-
-
  /**
  * Show/hide settings for page caching depending on whether page caching is
  * enabled or not.