Clean up child checks in ContainerNode.

sky/engine/core/dom/Element.cpp

Index: sky/engine/core/dom/Element.cpp
diff --git a/sky/engine/core/dom/Element.cpp b/sky/engine/core/dom/Element.cpp
index 2ff0dcc665f22b84e341c5040914005cf3aa8f54..e331e32556621f5f20c0faf7d6629c86a81bd35e 100644
--- a/sky/engine/core/dom/Element.cpp
+++ b/sky/engine/core/dom/Element.cpp
@@ -1064,18 +1064,6 @@ ShadowRoot* Element::shadowRoot() const
     return elementShadow->youngestShadowRoot();
 }
 
-bool Element::childTypeAllowed(NodeType type) const
-{
-    switch (type) {
-    case ELEMENT_NODE:
-    case TEXT_NODE:
-        return true;
-    default:
-        break;
-    }
-    return false;
-}
-
 void Element::childrenChanged(const ChildrenChange& change)
 {
     ContainerNode::childrenChanged(change);