Entity::unbindSite

public function unbindSite(int $siteId): bool
{
	if (self::isForbiddenBindingAction())
	{
		return false;
	}

	$siteId = intval($siteId);

	$success = $this->unbind($siteId, $this::ENTITY_TYPE_SITE);

	if ($success && method_exists($this, 'removeSiteRights'))
	{
		$this->removeSiteRights($siteId);
	}

	return $success;
}