Revert of Implement DOM: prepend, append, before, after & replaceWith

Source/core/dom/ParentNode.h

Index: Source/core/dom/ParentNode.h
diff --git a/Source/core/dom/ParentNode.h b/Source/core/dom/ParentNode.h
index 2a0b48317ea9bc4f656eafd2d78e9bb4ce16325b..5c66857ee4cbe4817c2c7e9057730adc84e13e4a 100644
--- a/Source/core/dom/ParentNode.h
+++ b/Source/core/dom/ParentNode.h
@@ -63,16 +63,6 @@
         return count;
     }
 
-    static void prepend(Node& node, const HeapVector<NodeOrString>& nodes, ExceptionState& exceptionState)
-    {
-        return node.prepend(nodes, exceptionState);
-    }
-
-    static void append(Node& node, const HeapVector<NodeOrString>& nodes, ExceptionState& exceptionState)
-    {
-        return node.append(nodes, exceptionState);
-    }
-
     static PassRefPtrWillBeRawPtr<Element> querySelector(ContainerNode& node, const AtomicString& selectors, ExceptionState& exceptionState)
     {
         return node.querySelector(selectors, exceptionState);