Remove Python version from `/_synapse/admin/v1/server_version`

[MomentQYC]

Allow hiding Python version information.

Pull Request Checklist

• [x] Pull request is based on the develop branch
• [x] Pull request includes a changelog file. The entry should:
  • Be a short description of your change which makes sense to users. "Fixed a bug that prevented receiving messages from other servers." instead of "Moved X method from EventStore to EventWorkerStore.".
  • Use markdown where necessary, mostly for code blocks.
  • End with either a period (.) or an exclamation mark (!).
  • Start with a capital letter.
  • Feel free to credit yourself, by adding a sentence "Contributed by @github_username." or "Contributed by [Your Name]." to the end of the entry.
• [x] Pull request includes a sign off
• [x] Code style is correct (run the linters)

[MomentQYC]

Per the open thread.

I'm sorry I didn't understand what was supposed to be accomplished.

[clokep]

I'm sorry I didn't understand what was supposed to be accomplished.

I think our conclusion is that we should just remove the Python version. 👍

[MomentQYC]

I think our conclusion is that we should just remove the Python version. 👍

Delete it outright instead of optionally hiding it?

[clokep]

I think our conclusion is that we should just remove the Python version. 👍

Delete it outright instead of optionally hiding it?

Correct.

[clokep]

I think we need to update docs/admin_api/version_api.md also.

[MomentQYC]

I think we need to update docs/admin_api/version_api.md also.

Done