CTaskTimerManager::onBeforeTaskDelete

static function onBeforeTaskDelete($id, $arTask)
{
	$arParticipants = array_unique(array_merge(
		array($arTask['CREATED_BY'], $arTask['RESPONSIBLE_ID']),
		$arTask['ACCOMPLICES'],
		$arTask['AUDITORS']
	));

	self::stopTimerForUsers($id, $arParticipants);
}