chore: Remove incorrect resource typing in ILDAPProvider

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

Author: come-nc

lib/public/LDAP/ILDAPProvider.php

@@ -56,15 +56,15 @@ public function sanitizeDN($dn);
 	/**
 	 * Return a new LDAP connection resource for the specified user.
 	 * @param string $uid user id
-	 * @return \LDAP\Connection|resource
+	 * @return \LDAP\Connection
 	 * @since 11.0.0
 	 */
 	public function getLDAPConnection($uid);
 
 	/**
 	 * Return a new LDAP connection resource for the specified group.
 	 * @param string $gid group id
-	 * @return \LDAP\Connection|resource
+	 * @return \LDAP\Connection
 	 * @since 13.0.0
 	 */
 	public function getGroupLDAPConnection($gid);