hostap: Remove not found hostapd functions

Both the supplicant_set_btwt() and supplicant_ap_bandwidth() are
not found in Zephyr sources so remove them.

Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>

modules/hostap/src/supp_main.c

@@ -94,11 +94,9 @@ DEFINE_WIFI_NM_INSTANCE(wifi_supplicant, &mgmt_ops);
 
 #ifdef CONFIG_WIFI_NM_HOSTAPD_AP
 static const struct wifi_mgmt_ops mgmt_ap_ops = {
-	.set_btwt = supplicant_set_btwt,
 	.ap_enable = supplicant_ap_enable,
 	.ap_disable = supplicant_ap_disable,
 	.ap_sta_disconnect = supplicant_ap_sta_disconnect,
-	.ap_bandwidth = supplicant_ap_bandwidth,
 	.iface_status = supplicant_ap_status,
 #ifdef CONFIG_WIFI_NM_WPA_SUPPLICANT_DPP
 	.dpp_dispatch = hapd_dpp_dispatch,