This summer, Fortnite’s Battle Royale mode earned its best player numbers in nearly two years thanks in no small part to the season’s Pokemon-esque sprite-collecting gameplay. Those sprites were so popular, in fact, that Epic Games is keeping them around in Chapter 7 Season 4: Override, Fortnite’s new gaming-themed season. Well, sort of. The sprites we collected and played with in Season 3 are no longer in play, because Season 4 introduced a whole new pack of sprites with their…