Entity::unbindLanding

public function unbindLanding(int $landingId): bool
{
	$landingId = intval($landingId);

	$success = $this->unbind($landingId, $this::ENTITY_TYPE_LANDING);

	if ($success && method_exists($this, 'removeLandingRights'))
	{
		$this->removeLandingRights($landingId);
	}

	return $success;
}