Remove third example from getting started doc.
Remove link for third example in tutorial for getting started doc.
https://gitlab.aicrowd.com/flatland/flatland/blob/master/docs/tutorials/01_gettingstarted.rst
Remove link for third example in tutorial for getting started doc.
https://gitlab.aicrowd.com/flatland/flatland/blob/master/docs/tutorials/01_gettingstarted.rst