/// <summary>
/// Unset player possibility to win the game.
/// </summary>
private void UnsetWinnerPossibility()
{
// Close the door.
List <Collider2D> colliders = new List <Collider2D>();
colliders.Add(PossiblePlayerWinner.MyCollider);
colliders.Add(PossiblePlayerWinner.MyOutsideCollider);
_ghostHouseDoor.CloseDoor(colliders);
}
