Removed unused classes.

VRKinectReg/Plugins/VRKinectRegistration/Source/VRKinectRegistration/Private/PointCloudToVRRegistrator.cpp

-//  2021, CGVR (https://cgvr.informatik.uni-bremen.de/), Andre Mhlenbrock (muehlenb@uni-bremen.de)
-
-#include "PointCloudToVRRegistrator.h"
-
-PointCloudToVRRegistrator::PointCloudToVRRegistrator()
-{
-}
-
-PointCloudToVRRegistrator::~PointCloudToVRRegistrator()
-{
-}

VRKinectReg/Plugins/VRKinectRegistration/Source/VRKinectRegistration/Public/PointCloudToVRRegistrator.h

-//  2021, CGVR (https://cgvr.informatik.uni-bremen.de/), Andre Mhlenbrock (muehlenb@uni-bremen.de)
-
-#pragma once
-
-#include "CoreMinimal.h"
-
-/**
- * 
- */
-class VRKINECTREGISTRATION_API PointCloudToVRRegistrator
-{
-public:
-	PointCloudToVRRegistrator();
-	~PointCloudToVRRegistrator();
-};