Move IDL implements statements to IDL files that implement the interface

Source/core/svg/SVGURIReference.idl

 /*
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  * Copyright (C) 2006 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 12 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
 [
     NoInterfaceObject
 ] interface SVGURIReference {
     readonly attribute SVGAnimatedString href;
 };
 
-SVGAElement implements SVGURIReference;
-
-// The following is no longer part of the specification
-// but is kept for backward compatibility.
-SVGCursorElement implements SVGURIReference;
-SVGAltGlyphElement implements SVGURIReference;
-SVGFEImageElement implements SVGURIReference;
-SVGFilterElement implements SVGURIReference;
-SVGGlyphRefElement implements SVGURIReference;
-SVGGradientElement implements SVGURIReference;
-SVGImageElement implements SVGURIReference;
-SVGMPathElement implements SVGURIReference;
-SVGPatternElement implements SVGURIReference;
-SVGScriptElement implements SVGURIReference;
-SVGTRefElement implements SVGURIReference;
-SVGTextPathElement implements SVGURIReference;
-SVGUseElement implements SVGURIReference;