MAI: omit removed arg `show` from call to `plot_partition`
MAI: omit removed arg `show` from call to `plot_partition`

The argument `show` was removed from the signature of the
function `polytope.polytope.plot` in [1].

[1] https://github.com/tulip-control/polytope/commit/6f518cc5dfae4c710c688de35468f764835c6f4e

tulip-control/tulip-control,tulip-control/tulip-control,tulip-control/tulip-control,tulip-control/tulip-control