Theme: Don't remove outlines on active elements. Fixes #6757 - .ui-wi…

…dget :active { outline: none; } causes slowness in FF.

themes/base/jquery.ui.theme.css

@@ -30,7 +30,6 @@
 .ui-state-hover a, .ui-state-hover a:hover { color: #212121/*{fcHover}*/; text-decoration: none; }
 .ui-state-active, .ui-widget-content .ui-state-active, .ui-widget-header .ui-state-active { border: 1px solid #aaaaaa/*{borderColorActive}*/; background: #ffffff/*{bgColorActive}*/ url(images/ui-bg_glass_65_ffffff_1x400.png)/*{bgImgUrlActive}*/ 50%/*{bgActiveXPos}*/ 50%/*{bgActiveYPos}*/ repeat-x/*{bgActiveRepeat}*/; font-weight: normal/*{fwDefault}*/; color: #212121/*{fcActive}*/; }
 .ui-state-active a, .ui-state-active a:link, .ui-state-active a:visited { color: #212121/*{fcActive}*/; text-decoration: none; }
-.ui-widget :active { outline: none; }
 
 /* Interaction Cues
 ----------------------------------*/