AP: remove ssi_signal from ap_info

It is never used.

Signed-hostap: Johannes Berg <johannes.berg@intel.com>

src/ap/ap_list.c

@@ -289,10 +289,8 @@ void ap_list_process_beacon(struct hostapd_iface *iface,
 	ap->num_beacons++;
 	os_get_time(&now);
 	ap->last_beacon = now.sec;
-	if (fi) {
-		ap->ssi_signal = fi->ssi_signal;
+	if (fi)
 		ap->datarate = fi->datarate;
-	}
 
 	if (!new_ap && ap != iface->ap_list) {
 		/* move AP entry into the beginning of the list so that the

src/ap/ap_list.h

@@ -34,7 +34,6 @@ struct ap_info {
 
 	int channel;
 	int datarate; /* in 100 kbps */
-	int ssi_signal;
 
 	int ht_support;