Remove ~1750 superfluous includes from core

Source/core/svg/SVGFEDisplacementMapElement.cpp

 /*
  * Copyright (C) 2006 Oliver Hunt <oliver@nerget.com>
  *
  * 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/SVGFEDisplacementMapElement.h"
 
 #include "SVGNames.h"
-#include "core/dom/Attribute.h"
 #include "core/platform/graphics/filters/FilterEffect.h"
 #include "core/svg/SVGElementInstance.h"
 #include "core/svg/graphics/filters/SVGFilterBuilder.h"
 
 namespace WebCore {
 
 // Animated property definitions
 DEFINE_ANIMATED_STRING(SVGFEDisplacementMapElement, SVGNames::inAttr, In1, in1)
 DEFINE_ANIMATED_STRING(SVGFEDisplacementMapElement, SVGNames::in2Attr, In2, in2)
 DEFINE_ANIMATED_ENUMERATION(SVGFEDisplacementMapElement, SVGNames::xChannelSelectorAttr, XChannelSelector, xChannelSelector, ChannelSelectorType)
@@ skipping 122 matching lines @@
 
     RefPtr<FilterEffect> effect = FEDisplacementMap::create(filter, xChannelSelector(), yChannelSelector(), scale());
     FilterEffectVector& inputEffects = effect->inputEffects();
     inputEffects.reserveCapacity(2);
     inputEffects.append(input1);
     inputEffects.append(input2);    
     return effect.release();
 }
 
 }