Gui: remove SelectionStyle from ViewProviderGeometryObject
Gui: remove SelectionStyle from ViewProviderGeometryObject

The property has been moved to ViewProviderDocumentObject. Forgot to
remove it in ViewProviderGeometryObject.

Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master