/// <summary>Delete the Trackable data from the Map List.</summary>
 /// <param name="trackingFileName">trackingFileName map file name.
 /// This name should be same which added. If set "" (empty) file list will be cleared</param>
 public void RemoveTrackerData(string trackingFileName = "")
 {
     NativeAPI.TrackerManager_removeTrackerData(trackingFileName);
 }