net: remove CVS keywords

This patch removes 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>

net/core/sock.c

@@ -7,8 +7,6 @@
  *		handler for protocols to use and generic option handler.
  *
  *
- * Version:	$Id: sock.c,v 1.117 2002/02/01 22:01:03 davem Exp $
- *
  * Authors:	Ross Biro
  *		Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
  *		Florian La Roche, <flla@stud.uni-sb.de>