removing Firefox 2 AIRA extras, FF2 isn't usable in that regard anyway

ui/jquery.ui.core.js

@@ -101,37 +101,6 @@ $.ui = {
 	}
 };
 
-// WAI-ARIA normalization
-if (isFF2) {
-	var attr = $.attr,
-		removeAttr = $.fn.removeAttr,
-		ariaNS = "http://www.w3.org/2005/07/aaa",
-		ariaState = /^aria-/,
-		ariaRole = /^wairole:/;
-
-	$.attr = function(elem, name, value) {
-		var set = value !== undefined;
-
-		return (name == 'role'
-			? (set
-				? attr.call(this, elem, name, "wairole:" + value)
-				: (attr.apply(this, arguments) || "").replace(ariaRole, ""))
-			: (ariaState.test(name)
-				? (set
-					? elem.setAttributeNS(ariaNS,
-						name.replace(ariaState, "aaa:"), value)
-					: attr.call(this, elem, name.replace(ariaState, "aaa:")))
-				: attr.apply(this, arguments)));
-	};
-
-	$.fn.removeAttr = function(name) {
-		return (ariaState.test(name)
-			? this.each(function() {
-				this.removeAttributeNS(ariaNS, name.replace(ariaState, ""));
-			}) : removeAttr.call(this, name));
-	};
-}
-
 //jQuery plugins
 $.fn.extend({
 	_focus: $.fn.focus,