Hey guys, idk if anyone is still looking, but I found this on Game Front with the same zip file name as what you guys were looking for. Hope it helps.
https://www.gamefront.com/games/knights-of-the-old-republic-ii/file/onderon-visa-expansion
Ah wait nevermind, its the same one that removes Nikko.
Actually, @milestails, if you get the chance, could you pm the mod to me as well?