Remove Element#attributes.

sky/engine/core/dom/Element.idl

Index: sky/engine/core/dom/Element.idl
diff --git a/sky/engine/core/dom/Element.idl b/sky/engine/core/dom/Element.idl
index 306a57c6020a5adc7717571c8854496fde85817e..e1025a39ab8c03760aace343323810ba3e115246 100644
--- a/sky/engine/core/dom/Element.idl
+++ b/sky/engine/core/dom/Element.idl
@@ -26,12 +26,8 @@
     DOMString? getAttribute(DOMString name);
     [RaisesException, CustomElementCallbacks] void setAttribute(DOMString name, DOMString value);
     [CustomElementCallbacks] void removeAttribute(DOMString name);
-
-    [PerWorldBindings, ImplementedAs=attributesForBindings] readonly attribute NamedNodeMap     attributes;
-    [MeasureAs=HasAttributes] boolean hasAttributes();
-
     boolean hasAttribute(DOMString name);
-
+    boolean hasAttributes();
     sequence<Attr> getAttributes();
 
     [PerWorldBindings] readonly attribute CSSStyleDeclaration style;