Remove last remnants of ENABLE_SVG

Source/core/svg/SVGFEDropShadowElement.idl

Index: Source/core/svg/SVGFEDropShadowElement.idl
diff --git a/Source/core/svg/SVGFEDropShadowElement.idl b/Source/core/svg/SVGFEDropShadowElement.idl
index 4ad42e0ce6aa81757f3abf3bd42c4ad46e41318c..840f96f05cebb239052d226d6b25262686c1b499 100644
--- a/Source/core/svg/SVGFEDropShadowElement.idl
+++ b/Source/core/svg/SVGFEDropShadowElement.idl
@@ -17,10 +17,8 @@
  * Boston, MA 02110-1301, USA.
  */
 
-[
-    Conditional=SVG
-] interface SVGFEDropShadowElement : SVGStyledElement,
-                           SVGFilterPrimitiveStandardAttributes {
+interface SVGFEDropShadowElement : SVGStyledElement,
+                                   SVGFilterPrimitiveStandardAttributes {
     readonly attribute SVGAnimatedString in1;
     readonly attribute SVGAnimatedNumber dx;
     readonly attribute SVGAnimatedNumber dy;