did you delete the file game.xml all 3 should be deleted at same time as that is what happened to me and was my fix
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Hey so I tried it and it worked the first time I closed the game redid the dev controls and gave myself dev console tried to reload game and it didn't work after that and proceeded to compile shaders again.
I deleted all the things you mentioned again and it still didn't work.
One of my other buddies deleted the things you mentioned and it proceeded to not work for him so.