sfc: Remove the STATE_RESETTING flag

This was originally a kludge to fix broken locking, which has since
been fixed properly.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

drivers/net/sfc/net_driver.h

@@ -459,8 +459,7 @@ enum nic_state {
 	STATE_INIT = 0,
 	STATE_RUNNING = 1,
 	STATE_FINI = 2,
-	STATE_RESETTING = 3, /* rtnl_lock always held */
-	STATE_DISABLED = 4,
+	STATE_DISABLED = 3,
 	STATE_MAX,
 };