nextcloud_server/apps/user_ldap/ajax/deleteConfiguration.php

<?php

use OCA\User_LDAP\Helper;
use OCP\IConfig;
use OCP\IDBConnection;
use OCP\Server;
use OCP\Util;

/**
 * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
 * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
 * SPDX-License-Identifier: AGPL-3.0-only
 */
// Check user and app status
\OC_JSON::checkAdminUser();
\OC_JSON::checkAppEnabled('user_ldap');
\OC_JSON::callCheck();

$prefix = (string)$_POST['ldap_serverconfig_chooser'];
$helper = new Helper(Server::get(IConfig::class), Server::get(IDBConnection::class));
if ($helper->deleteServerConfiguration($prefix)) {
	\OC_JSON::success();
} else {
	$l = Util::getL10N('user_ldap');
	\OC_JSON::error(['message' => $l->t('Failed to delete the server configuration')]);
}