Bug 317028 - remove redundant nsIDOM3Node interface map entry. r+sr=bz

content/svg/content/src/nsSVGElement.cpp

@@ -119,7 +119,6 @@ NS_IMPL_RELEASE_INHERITED(nsSVGElement,nsGenericElement)
 
 NS_INTERFACE_MAP_BEGIN(nsSVGElement)
   NS_INTERFACE_MAP_ENTRY(nsIXMLContent)
-  NS_INTERFACE_MAP_ENTRY_TEAROFF(nsIDOM3Node, new nsNode3Tearoff(this))
   NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
   NS_INTERFACE_MAP_ENTRY(nsISVGValueObserver)
   NS_INTERFACE_MAP_ENTRY(nsISVGContent)