Drop the unused action command and unused deps

[pvdz]

This removes the actions command, which is not used.

We can always add stuff back later if we need it.

I've removed unused packages from package.json, including those not strictly related to the actions removal.

@jdalton please verify that I've not been too aggressive in the weed cutting :)

[socket-security]

Removed dependencies detected. Learn more about Socket for GitHub ↗︎

🚮 Removed packages: npm/@octokit/rest@21.1.1, npm/@types/mocha@10.0.10, npm/@types/ndjson@2.0.4, npm/fast-content-type-parse@3.0.0, npm/pg-hstore@2.3.4, npm/simple-git@3.27.0

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[socket-security-staging]

Removed dependencies detected. Learn more about Socket for GitHub ↗︎

🚮 Removed packages: npm/@octokit/rest@21.1.1, npm/@types/mocha@10.0.10, npm/@types/ndjson@2.0.4, npm/fast-content-type-parse@3.0.0, npm/pg-hstore@2.3.4, npm/simple-git@3.27.0

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