config: use none encryption if not specified in ap section

src/config.c

@@ -1163,11 +1163,8 @@ static int cntlr_config_get_credentials(struct controller_config *c,
 		cred->mode = AP_WIFI_FBSS;
 	}
 
-	if (use_default_security) {
-		cred->sec |= BIT(WIFI_SECURITY_WPA3PSK);
-		if (!!(cred->multi_ap & 2))
-			cred->sec |= BIT(WIFI_SECURITY_WPA3PSK_T);
-	}
+	if (use_default_security)
+		cred->sec |= BIT(WIFI_SECURITY_NONE);
 
 	if (tb[CRED_D_BSTA]) {
 		struct uci_element *x;