staging: wilc1000: remove wilc of struct host_if_drv

vif has wilc in it's members so no need to have wilc in host_if_drv.
It is redundant so just remove it and use wilc of vif.
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/host_interface.h

@@ -261,7 +261,6 @@ enum p2p_listen_state {
 
 struct wilc;
 struct host_if_drv {
-	struct wilc *wilc;
 	struct user_scan_req usr_scan_req;
 	struct user_conn_req usr_conn_req;
 	struct remain_ch remain_on_ch;