Rename the file to match the class (Features2DToolbox) it implemented

Emgu.CV/Features2D/Features2DTracker.cs → Emgu.CV/Features2D/Features2DToolbox.cs

@@ -7,7 +7,6 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.Drawing;
 using System.Runtime.InteropServices;
-//using System.Runtime.Remoting.Messaging;
 using System.Text;
 using Emgu.CV.CvEnum;
 using Emgu.CV.Structure;