Remove unused SVG code

Source/core/svg/SVGElement.cpp

Index: Source/core/svg/SVGElement.cpp
diff --git a/Source/core/svg/SVGElement.cpp b/Source/core/svg/SVGElement.cpp
index 0c1305c5515f757f8ab25da4f7d08458013cc4fb..0ab92d7972b21c549d1e1ce84801f11856ae4e12 100644
--- a/Source/core/svg/SVGElement.cpp
+++ b/Source/core/svg/SVGElement.cpp
@@ -1017,24 +1017,6 @@ void SVGElement::synchronizeAnimatedSVGAttribute(const QualifiedName& name) cons
     }
 }
 
-void SVGElement::synchronizeRequiredFeatures(SVGElement* contextElement)
-{
-    ASSERT(contextElement);
-    contextElement->synchronizeRequiredFeatures();
-}
-
-void SVGElement::synchronizeRequiredExtensions(SVGElement* contextElement)
-{
-    ASSERT(contextElement);
-    contextElement->synchronizeRequiredExtensions();
-}
-
-void SVGElement::synchronizeSystemLanguage(SVGElement* contextElement)
-{
-    ASSERT(contextElement);
-    contextElement->synchronizeSystemLanguage();
-}
-
 PassRefPtr<RenderStyle> SVGElement::customStyleForRenderer()
 {
     if (!correspondingElement())