Remove MicroData implementation

Source/WebCore/dom/Element.cpp

Index: Source/WebCore/dom/Element.cpp
diff --git a/Source/WebCore/dom/Element.cpp b/Source/WebCore/dom/Element.cpp
index 3394e71bec8a72faa9230f6bf90930b26cd5957e..ea2a15562fe5e4df63cb432bf92cd05773299e7c 100644
--- a/Source/WebCore/dom/Element.cpp
+++ b/Source/WebCore/dom/Element.cpp
@@ -2733,10 +2733,6 @@ PassRefPtr<HTMLCollection> Element::ensureCachedHTMLCollection(CollectionType ty
     } else if (type == FormControls) {
         ASSERT(hasTagName(formTag) || hasTagName(fieldsetTag));
         return ensureRareData()->ensureNodeLists()->addCacheWithAtomicName<HTMLFormControlsCollection>(this, type);
-#if ENABLE(MICRODATA)
-    } else if (type == ItemProperties) {
-        return ensureRareData()->ensureNodeLists()->addCacheWithAtomicName<HTMLPropertiesCollection>(this, type);
-#endif
     }
     return ensureRareData()->ensureNodeLists()->addCacheWithAtomicName<HTMLCollection>(this, type);
 }