options_user_settings_set.php

См. документацию.

<?php
 
use Bitrix\Main\Config\Option;
use Bitrix\Main\Loader;
use Bitrix\Socialservices\UserTable;
 
$ID = intval($ID);
$socialservices_res = true;
 
if(
    $ID > 0
    && isset($_REQUEST["SS_REMOVE_NETWORK"])
    && $_REQUEST["SS_REMOVE_NETWORK"] == "Y"
    && Option::get("socialservices", "bitrix24net_id", "") != ""
    && Loader::includeModule('socialservices')
    && check_bitrix_sessid()
)
{
    $dbRes = UserTable::getList(array(
        'filter' => array(
            '=USER_ID' => $ID,
            '=EXTERNAL_AUTH_ID' => CSocServBitrix24Net::ID
        ),
        'select' => array('ID')
    ));
 
    $profileInfo = $dbRes->fetch();
    if($profileInfo)
    {
        $deleteResult = UserTable::delete($profileInfo["ID"]);
        $socialservices_res = $deleteResult->isSuccess();
 
        if($socialservices_res)
        {
            \Bitrix\Socialservices\Network::clearAdminPopupSession($ID);
        }
    }
}