staging: ks7010: Remove unused 'struct last_associate_t'.

'struct last_associate_t' is not used in this driver. Remove 'struct
last_associate_t'.
Signed-off-by: Quytelda Kahja <quytelda@tamalin.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ks7010/ks_hostif.h

@@ -381,11 +381,6 @@ struct hostif_adhoc_set2_request {
 	u8 bssid[ETH_ALEN];
 } __packed;
 
-struct last_associate_t {
-	u8 type;
-	u8 status;
-} __packed;
-
 struct association_request_t {
 	u8 type;
 	u8 pad;