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

Source/core/dom/ChildNode.h

Index: Source/core/dom/ChildNode.h
diff --git a/Source/core/dom/ChildNode.h b/Source/core/dom/ChildNode.h
index 6dd625cf34933b06e29e0f2e4c28a21af9b55c8b..3c3b1f5b0560251ee311f174acf1ac75e3025a61 100644
--- a/Source/core/dom/ChildNode.h
+++ b/Source/core/dom/ChildNode.h
@@ -11,21 +11,6 @@
 
 class ChildNode {
 public:
-    static void before(Node& node, const HeapVector<NodeOrString>& nodes, ExceptionState& exceptionState)
-    {
-        return node.before(nodes, exceptionState);
-    }
-
-    static void after(Node& node, const HeapVector<NodeOrString>& nodes, ExceptionState& exceptionState)
-    {
-        return node.after(nodes, exceptionState);
-    }
-
-    static void replaceWith(Node& node, const HeapVector<NodeOrString>& nodes, ExceptionState& exceptionState)
-    {
-        return node.replaceWith(nodes, exceptionState);
-    }
-
     static void remove(Node& node, ExceptionState& exceptionState)
     {
         return node.remove(exceptionState);