Remove ENTITY_REFERENCE_NODE

Source/core/xml/XPathUtil.cpp

 /*
  * Copyright (C) 2005 Frerich Raabe <raabe@kde.org>
  * Copyright (C) 2006, 2009 Apple Inc.
  *
  * 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 66 matching lines @@
         case Node::CDATA_SECTION_NODE:
         case Node::COMMENT_NODE:
         case Node::DOCUMENT_NODE:
         case Node::ELEMENT_NODE:
         case Node::PROCESSING_INSTRUCTION_NODE:
         case Node::XPATH_NAMESPACE_NODE:
             return true;
         case Node::DOCUMENT_FRAGMENT_NODE:
         case Node::DOCUMENT_TYPE_NODE:
         case Node::ENTITY_NODE:
-        case Node::ENTITY_REFERENCE_NODE:
         case Node::NOTATION_NODE:
             return false;
         case Node::TEXT_NODE:
             return !(node->parentNode() && node->parentNode()->isAttributeNode());
     }
     ASSERT_NOT_REACHED();
     return false;
 }
 
 }
 }