Resizable: Remove workaround for handles not working in IE when trans…

…parent with overlapping content. Fixes #7397 - Resizable: icon not showing. Fixes #7390 - Resizable: https domain reports 'unsecured items' in IE7. Reopens #7233 - Resizable: resizable handles fail to work in IE if transparent and content overlaps.

themes/base/jquery.ui.resizable.css

@@ -8,12 +8,7 @@
  * http://docs.jquery.com/UI/Resizable#theming
  */
 .ui-resizable { position: relative;}
-.ui-resizable-handle { position: absolute;font-size: 0.1px;z-index: 99999; display: block;
-	/* http://bugs.jqueryui.com/ticket/7233
-	 - Resizable: resizable handles fail to work in IE if transparent and content overlaps
-	*/
-	background-image:url(data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=);
-}
+.ui-resizable-handle { position: absolute;font-size: 0.1px;z-index: 99999; display: block; }
 .ui-resizable-disabled .ui-resizable-handle, .ui-resizable-autohide .ui-resizable-handle { display: none; }
 .ui-resizable-n { cursor: n-resize; height: 7px; width: 100%; top: -5px; left: 0; }
 .ui-resizable-s { cursor: s-resize; height: 7px; width: 100%; bottom: -5px; left: 0; }