Remove duplicated headers from core/

Source/core/html/parser/HTMLMetaCharsetParser.cpp

 /*
  * Copyright (C) 2010 Google 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 12 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/html/parser/HTMLMetaCharsetParser.h"
 
 #include "HTMLNames.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/html/parser/HTMLParserOptions.h"
 #include "core/html/parser/HTMLTokenizer.h"
-#include "wtf/text/TextCodec.h"
 #include "wtf/text/TextEncodingRegistry.h"
 #include "wtf/text/WTFString.h"
 
 using namespace WTF;
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 HTMLMetaCharsetParser::HTMLMetaCharsetParser()
@@ skipping 157 matching lines @@
             return true;
         }
 
         m_token.clear();
     }
 
     return false;
 }
 
 }