[paraview/release] vtkUnstructuredGrid: remove deprecation of GetCellTypes
requested to merge mwestphal/vtk:backport_paraview_release_undeprecate-GetCellTypes into paraview/release
This API is also present in vtkDataSet
. It was not deprecated there,
and it is a core API. It is just better to rewind this deprecation.
backport of !9928 (merged)
Edited by Mathieu Westphal (Kitware)