sparc: remove CVS keywords

This patch removes the CVS keywords that weren't updated for a long time
from comments.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/asm-sparc/mpmbox.h b/include/asm-sparc/mpmbox.h
index 0e1bc58..f842303 100644
--- a/include/asm-sparc/mpmbox.h
+++ b/include/asm-sparc/mpmbox.h
@@ -1,4 +1,4 @@
-/* $Id: mpmbox.h,v 1.4 1996/04/25 06:13:19 davem Exp $
+/*
  * mpmbox.h:  Interface and defines for the OpenProm mailbox
  *               facilities for MP machines under Linux.
  *