staging: ks7010: Remove unused 'struct hostif_ps_adhoc_set_confirm_t'.

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

drivers/staging/ks7010/ks_hostif.h

@@ -331,11 +331,6 @@ struct hostif_ps_adhoc_set_request {
 	__le16 channel;
 } __packed;
 
-struct hostif_ps_adhoc_set_confirm_t {
-	struct hostif_hdr header;
-	__le16 result_code;
-} __packed;
-
 #define AUTH_TYPE_OPEN_SYSTEM 0
 #define AUTH_TYPE_SHARED_KEY  1