Remove versioneer / setuptools

[WillAyd]

trying to follow the lead set by https://github.com/numpy/numpy/pull/24196

@lithomas1

[github-actions[bot]]

This pull request is stale because it has been open for thirty days with no activity. Please update and respond to this comment if you're still interested in working on this.

[mroeschke]

Closing since there hasn't been much activity here, but feel free to reopen if/when you have time to revisit

[WillAyd]

@lithomas1 we are dropping setuptools support for 3.0 right?

[lithomas1]

I don't think the setuptools stuff is maintained anymore. (I just forgot to remove it)

I think my main objection was to the versioneer stuff.