Remove unnecessary include of wtf/CPU.h from a few files.

Source/core/page/NavigatorID.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2013 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 15 matching lines @@
  * 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 "NavigatorID.h"
 
 #include "core/page/NavigatorBase.h"
-#include "wtf/CPU.h"
 
 #if !defined(WEBCORE_NAVIGATOR_PLATFORM) && OS(POSIX) && !OS(MACOSX)
 #include "wtf/StdLibExtras.h"
 #include <sys/utsname.h>
 #endif
 
 #ifndef WEBCORE_NAVIGATOR_PRODUCT
 #define WEBCORE_NAVIGATOR_PRODUCT "Gecko"
 #endif // ifndef WEBCORE_NAVIGATOR_PRODUCT
 
@@ skipping 37 matching lines @@
 {
     return "Mozilla";
 }
 
 String NavigatorID::product(const NavigatorBase*)
 {
     return WEBCORE_NAVIGATOR_PRODUCT;
 }
 
 } // namespace WebCore