resizable: removed unneeded isVisible method

diff --git a/ui/ui.resizable.js b/ui/ui.resizable.js
index 4e574fe405ede30f8d0f6dfa79e1b4b9ef159631..497dfaff90e38e42b26d28ae9663b06103dbf012 100644 (file)
--- a/ui/ui.resizable.js
+++ b/ui/ui.resizable.js
@@ -786,8 +786,4 @@ $.ui.plugin.add("resizable", "grid", {
 
 });
 
-function isVisible(element) {
-       return !($(element).is(':hidden') || $(element).parents(':hidden').length);
-}
-
 })(jQuery);