bindings: Retires ScriptWrappable::init, etc.

Source/core/dom/XMLDocument.cpp

 /*
  * Copyright (C) 2014 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *  * Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *  * Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 13 matching lines @@
  */
 
 #include "config.h"
 #include "core/dom/XMLDocument.h"
 
 namespace blink {
 
 XMLDocument::XMLDocument(const DocumentInit& initializer, DocumentClassFlags documentClasses)
     : Document(initializer, documentClasses)
 {
-    ScriptWrappable::init(this);
 }
 
 } // namespace blink