Remove lingering `uiua.rs` file (#9828)

This PR removes a lingering file related to Uiua support.

This file was no longer being referenced after #9085, but just hadn't
been removed.

Release Notes:

- N/A
ffd698be14Marshall Bowers committed on 3/26/2024, 8:07:23 PM· committed by GitHubparent0fd9165
1 file changedLine totals unavailable