Droppable: Fixed destroy method.

Author: scottgonzalez

ui/jquery.ui.droppable.js

@@ -47,18 +47,13 @@ $.widget("ui.droppable", {
 
 	},
 
-	destroy: function() {
+	_destroy: function() {
 		var drop = $.ui.ddmanager.droppables[this.options.scope];
 		for ( var i = 0; i < drop.length; i++ )
 			if ( drop[i] == this )
 				drop.splice(i, 1);
 
-		this.element
-			.removeClass("ui-droppable ui-droppable-disabled")
-			.removeData("droppable")
-			.unbind(".droppable");
-
-		return this;
+		this.element.removeClass("ui-droppable ui-droppable-disabled");
 	},
 
 	_setOption: function(key, value) {