private bool DeleteConfigSection(IPermissionActor target)
        {
            IConfigurationElement config = target is IPermissionGroup
                ? GroupsConfig["Groups"]
                : PlayersConfig[((IUser)target).UserType];

            List <PermissionSection> values = config.Get <PermissionSection[]>().ToList();
            int i = values.RemoveAll(c => c.Id.Equals(target.Id, StringComparison.OrdinalIgnoreCase));

            config.Set(values);
            return(i > 0);
        }