Remove duplicated headers from core/

Source/core/frame/animation/CSSPropertyAnimation.cpp

 /*
  * Copyright (C) 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Adobe Systems Incorporated. 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.
@@ skipping 13 matching lines @@
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/frame/animation/CSSPropertyAnimation.h"
 
 #include <algorithm>
-#include "CSSPropertyNames.h"
 #include "StylePropertyShorthand.h"
 #include "core/animation/css/CSSAnimations.h"
 #include "core/css/CSSCrossfadeValue.h"
 #include "core/css/CSSImageValue.h"
 #include "core/css/CSSPrimitiveValue.h"
 #include "core/fetch/ImageResource.h"
 #include "core/frame/animation/AnimationBase.h"
 #include "core/rendering/ClipPathOperation.h"
 #include "core/rendering/RenderBox.h"
 #include "core/rendering/style/RenderStyle.h"
@@ skipping 1100 matching lines @@
 }
 
 int CSSPropertyAnimation::getNumProperties()
 {
     ensurePropertyMap();
 
     return gPropertyWrappers->size();
 }
 
 }