Remove MicroData implementation

Source/WebCore/html/HTMLElement.idl

 /*
  * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 38 matching lines @@
     [RaisesException] void insertAdjacentText([Optional=DefaultIsUndefined] DOMString where,
                             [Optional=DefaultIsUndefined] DOMString text);
 
     readonly attribute HTMLCollection children;
 
              [TreatNullAs=NullString, SetterRaisesException] attribute DOMString contentEditable;
     readonly attribute boolean isContentEditable;
 
              attribute boolean spellcheck;
 
-             [Conditional=MICRODATA, Reflect] attribute boolean itemScope;
-    [Conditional=MICRODATA] readonly attribute DOMSettableTokenList itemType;
-             [Conditional=MICRODATA, Reflect, URL] attribute DOMString itemId;
-
-    [Conditional=MICRODATA] readonly attribute DOMSettableTokenList itemRef;
-    [Conditional=MICRODATA] readonly attribute DOMSettableTokenList itemProp;
-
-#if defined(ENABLE_MICRODATA) && ENABLE_MICRODATA
-    [Conditional=MICRODATA] readonly attribute HTMLPropertiesCollection properties;
-#endif
-
-    [Conditional=MICRODATA, Custom, SetterRaisesException] attribute any itemValue;
-
     void click();
 };