staging: ks7010: Remove unused member 'reg_net' from 'ks_wlan_private'.

'reg_net' is never used in this driver.

Signed-off-by: Quytelda Kahja <[e-mail]>x
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/ks7010/ks_wlan.h

···
 	struct tasklet_struct rx_bh_task;
 
 	struct net_device *net_dev;
-	int reg_net;	/* register_netdev */
 	struct net_device_stats nstats;
 	struct iw_statistics wstats;