Remove MicroData implementation

Source/WebCore/html/HTMLElement.idl

Index: Source/WebCore/html/HTMLElement.idl
diff --git a/Source/WebCore/html/HTMLElement.idl b/Source/WebCore/html/HTMLElement.idl
index d39c72d684cd1d13bb01394b86e0276291f3f018..33d704cf282c08794877ef2c87d93362c09421f9 100644
--- a/Source/WebCore/html/HTMLElement.idl
+++ b/Source/WebCore/html/HTMLElement.idl
@@ -56,19 +56,6 @@
 
              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();
 };