Remove unused Common.references, Common._point_bool_array_names, Common._cell_bool_array_names (#742)
Remove unused Common.references, Common._point_bool_array_names, Common._cell_bool_array_names (#742)

Co-authored-by: Alex Kaszynski <d1612e7d4eb767ba19fc60f9d456a6300c8c64c0@gmail.com>
akaszynski/vtkInterface