[PATCH] network: pcnet_cs: remove the code to change the E8390_CMD register from ei_watchdog()

Remove the code to change the E8390_CMD register from ei_watchdog().
The 8390-page is always 0 outside the spin_lock.

Signed-off-by:  <komurojun-mbn@nifty.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>