client: Remove leftover `http.rs` file (#14822)

This PR removes an empty `http.rs` file that was leftover from a
previous PR.

Release Notes:

- N/A
edddc68da6Marshall Bowers committed on 7/19/2024, 4:22:31 PM· committed by GitHubparent5de5d5b
1 file changedLine totals unavailable