refactor(ble): silence warning `auth_passkey_display` not used
Silences the following build warning ...
../src/ble.c:407:13: warning: 'auth_passkey_display' defined but not used [-Wunused-function]
407 | static void auth_passkey_display(struct bt_conn *conn, unsigned int passkey) {
@@ -404,6 +404,7 @@ static struct bt_conn_cb conn_callbacks = {
.security_changed = security_changed,
};
+/*
static void auth_passkey_display(struct bt_conn *conn, unsigned int passkey) {
char addr[BT_ADDR_LE_STR_LEN];
@@ -411,6 +412,7 @@ static void auth_passkey_display(struct bt_conn *conn, unsigned int passkey) {
LOG_DBG("Passkey for %s: %06u", log_strdup(addr), passkey);
}
+*/
#ifdef CONFIG_ZMK_BLE_PASSKEY_ENTRY
