elixir: Extract to zed-extensions/elixir repository (#26167)

This PR extracts the Elixir extension to the
[zed-extensions/elixir](https://github.com/zed-extensions/elixir)
repository.

Release Notes:

- N/A

Marshall Bowers committed 1y ago

4db9ab15a76a26561090b61ccb509137bc544c54

Parent: 5daadc0

Committed by GitHub <noreply@github.com> on 3/5/2025, 10:50:35 PM