Those you can delete if you like if you dont want the mods, its not a lot of skins, if you want theres a big archive via this link, suggest you to check it out if you like

https://docs.google.com/spreadsheets/u/0/d/19BKz_D93mZEZ-dj4XqZdYEC6HOox-PC__VU_rO71yHg/htmlview?pli=1#