Remove dead createAnonymous functions.

sky/engine/core/rendering/RenderImage.cpp

Index: sky/engine/core/rendering/RenderImage.cpp
diff --git a/sky/engine/core/rendering/RenderImage.cpp b/sky/engine/core/rendering/RenderImage.cpp
index 42cd7d7cfaedbbeb8d9f385032b58e014cf8fe3f..bb806b4f5c72adde33ae6643e75dd972c0758f9d 100644
--- a/sky/engine/core/rendering/RenderImage.cpp
+++ b/sky/engine/core/rendering/RenderImage.cpp
@@ -54,13 +54,6 @@ RenderImage::RenderImage(Element* element)
 {
 }
 
-RenderImage* RenderImage::createAnonymous(Document* document)
-{
-    RenderImage* image = new RenderImage(0);
-    image->setDocumentForAnonymous(document);
-    return image;
-}
-
 RenderImage::~RenderImage()
 {
 }