/// <summary>
/// _s the do destroy and remove gem view.
/// </summary>
/// <param name="gemView">Gem view.</param>
private void _DoDestroyAndRemoveGemView (GemViewComponent gemView)
{
gemView.OnClicked -= _OnGemViewClicked;
gemView.OnTweenToNewPositionEntryCompleted -= _OnGemTweenToNewPositionEntryCompleted;
gemView.Destroy();
_gemViews.Remove (gemView);
}