[CPUFREQ] Remove CVS idents.

These are totally pointless as most of the development is now done either
in bitkeeper, or patches directly to mainline.

arch/i386/kernel/cpu/cpufreq/longhaul.c

 /*
- *  $Id: longhaul.c,v 1.87 2003/02/22 10:23:46 db Exp $
- *
  *  (C) 2001-2003  Dave Jones. <davej@suse.de>
  *  (C) 2002  Padraig Brady. <padraig@antefacto.com>
  *

arch/i386/kernel/cpu/cpufreq/longrun.c

 /*
- *  $Id: longrun.c,v 1.25 2003/02/28 16:03:50 db Exp $
- *
  * (C) 2002 - 2003  Dominik Brodowski <linux@brodo.de>
  *
  *  Licensed under the terms of the GNU GPL License version 2.

arch/i386/kernel/cpu/cpufreq/powernow-k6.c

 /*
- *  $Id: powernow-k6.c,v 1.48 2003/02/22 10:23:46 db Exp $
- *  This file was part of Powertweak Linux (http://powertweak.sf.net)
- *  and is shared with the Linux Kernel module.
- *
+ *  This file was based upon code in Powertweak Linux (http://powertweak.sf.net)
  *  (C) 2000-2003  Dave Jones, Arjan van de Ven, Janne Pnkl, Dominik Brodowski.
  *
  *  Licensed under the terms of the GNU GPL License version 2.

arch/i386/kernel/cpu/cpufreq/powernow-k7.c

 /*
- *  $Id: powernow-k7.c,v 1.34 2003/02/22 10:23:46 db Exp $
- *
+ *  AMD K7 Powernow driver.
  *  (C) 2003 Dave Jones <davej@suse.de>
  *
  *  Licensed under the terms of the GNU GPL License version 2.