other: reenable proper make proto-check

[shaspitz]

Description

@MSalopek pointed out that a recent addition to the .dockerignore file was the reason that the old "proper" way of running make proto-gen was not working. This PR simply:

• reverts the changes to Makefile in fix: re-enable make proto-check and update proto options #1060
• Removes the culprit line from .dockerignore

Nice find Matija!

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[shaspitz]

nvm still doesn't work GH workflow lol, not worth debugging anymore