need to revert to default UI and everything

[Chanchibar]

I downloaded this package from Joe Leonard (https://www.youtube.com/watch?v=mj_MMVgJ_Dk) but ended up hating duxa and the improved textures etc, is there a way I can revert everything back? And for some reason I have all of this guys autistic keybinds, who the hell uses ESDF? I completely removed the duxa folder and it didn't appear to do anything.