Remove duplicated headers from core/

Source/core/svg/SVGGradientElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
 
 #include "core/svg/SVGGradientElement.h"
 
-#include "SVGNames.h"
 #include "XLinkNames.h"
 #include "core/dom/Attribute.h"
 #include "core/rendering/svg/RenderSVGHiddenContainer.h"
 #include "core/rendering/svg/RenderSVGPath.h"
 #include "core/rendering/svg/RenderSVGResourceLinearGradient.h"
 #include "core/rendering/svg/RenderSVGResourceRadialGradient.h"
 #include "core/svg/SVGElementInstance.h"
 #include "core/svg/SVGStopElement.h"
 #include "core/svg/SVGTransformList.h"
 
@@ skipping 122 matching lines @@
         float r, g, b, a;
         color.getRGBA(r, g, b, a);
 
         stops.append(Gradient::ColorStop(offset, r, g, b, a));
     }
 
     return stops;
 }
 
 }