chore: Remove unused tox.ini and update_compiler.sh

[bryantbiggs]

Remove unused tox.ini and update_compiler.sh

I couldn't find any references of their use anymore and they haven't been updated in the last 5 years so figured it was time to let go

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[bryantbiggs]

CLA signed, hopefully it updates soon

Edit: See #1732 that shows I have signed the CLI

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