How to mute myself? admins pls read

I have blocked all chat, and enemy emotes. But i cant find how to block in game chat tottaly. just have it disapear. I was banned for 14 days like 1 month ago and now iam scared to play and get perma ban. SO the best solution is to just delete chat from the game. how do i do that. if its not possible can you pls perma mute me? i dont want to have chat. pls PLS PLS PLS mute me forever. pls
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