Revert "PointSetVtkMapper2D uses 2D geometry of the renderer, not the SNC"
Revert "PointSetVtkMapper2D uses 2D geometry of the renderer, not the SNC"

This reverts commit f448b58162e0cf05e3055f6497399bd0840dfd26.

NifTK/MITK,NifTK/MITK,NifTK/MITK,NifTK/MITK,NifTK/MITK,NifTK/MITK