There are no guarantees that you'll be driving across alien planets in a buggy any time soon, or at all. It's not uncommon for software developers to leave unused assets in updates, even if it's just due to expediency -- it can be easier to keep stray files and code than tidy things up. If this is a sign of what's to come, though, it's good news for players who don't like walking for minutes on end just to collect resources or discover a new base.