Issue #3417777: Removed code that calls glyphiconStop() on the Ajax success.

Closes #3417777

js/misc/ajax.js

@@ -120,15 +120,6 @@
   Drupal.Ajax.prototype.success = function (response, status) {
     if (this.progress.element) {
 
-      // Stop a glyphicon throbber.
-      if (this.progress.glyphicon) {
-        this.glyphiconStop(this.progress.element);
-      }
-      // Remove the progress element.
-      else {
-        this.progress.element.remove();
-      }
-
       // Remove any message set.
       this.progress.element.parent().find('.message').remove();
     }