Obsolete-ing dead BC code.

Author: Zee2

Assets/MRTK/SDK/Features/UX/Scripts/BoundsControl/BoundsControl.cs

@@ -5,6 +5,7 @@
 using Microsoft.MixedReality.Toolkit.Input;
 using Microsoft.MixedReality.Toolkit.UI.BoundsControlTypes;
 using Microsoft.MixedReality.Toolkit.Utilities;
+using System;
 using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.Events;
@@ -563,6 +564,12 @@ public ElasticsManager ElasticsManager
 
         private Vector3[] boundsCorners = new Vector3[8];
 
+        /// <summary>
+        /// This property is unused and will be removed in a future release. It has not, and does not, return any information.
+        /// </summary>
+        [Obsolete("The BoundsCorners property is unused and will be removed in a future release. It has not, and does not, return any information.")]
+        public Vector3[] BoundsCorners { get; private set; }
+
         #endregion
 
         #region public Properties