remove the bouncing email address of David Campbell

This patch removes a bouncing email address from the kernel sources.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/drivers/parport/parport_gsc.c b/drivers/parport/parport_gsc.c
index 1de52d9..7352104 100644
--- a/drivers/parport/parport_gsc.c
+++ b/drivers/parport/parport_gsc.c
@@ -15,7 +15,7 @@
  * 	    Phil Blundell <philb@gnu.org>
  *          Tim Waugh <tim@cyberelk.demon.co.uk>
  *	    Jose Renau <renau@acm.org>
- *          David Campbell <campbell@torque.net>
+ *          David Campbell
  *          Andrea Arcangeli
  */