DOn't show flyouts on tabbing for now (not accessible), fixes #19191

git-svn-id: https://develop.svn.wordpress.org/trunk@19426 602fd350-edb4-49c9-b593-d223f7449a82

wp-admin/js/common.dev.js

@@ -206,13 +206,6 @@ $(document).ready( function() {
 		interval: 90
 	});
 
-	// Admin menu keyboard navigation.
-	$('li.wp-has-submenu').focusin( function() {
-		$(this).addClass('focused');
-	}).focusout( function() {
-		$(this).removeClass('focused');
-	});
-
 	// If the mouse is used on the menu, shift focus to the mouse.
 	menu.mouseover( function(e) {
 		$('li.focused', this).removeClass('focused');