Remove ~1750 superfluous includes from core

Source/core/xml/XPathResult.cpp

 /*
  * Copyright (C) 2005 Frerich Raabe <raabe@kde.org>
  * Copyright (C) 2006, 2009 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.
@@ skipping 11 matching lines @@
  * 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/xml/XPathResult.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
-#include "core/dom/Node.h"
 #include "core/xml/XPathEvaluator.h"
 #include "core/xml/XPathException.h"
 
 namespace WebCore {
 
 using namespace XPath;
 
 XPathResult::XPathResult(Document* document, const Value& value)
     : m_value(value)
     , m_nodeSetPosition(0)
@@ skipping 166 matching lines @@
     }
     
     const NodeSet& nodes = m_value.toNodeSet();
     if (index >= nodes.size())
         return 0;
     
     return nodes[index];
 }
 
 }