Revert "Use livekit's Rust SDK instead of their swift SDK (#13343)" (#20809)

Issues found:

* audio does not work well with various set-ups using USB
* switching audio during initial join may leave the client with no audio
at all
* audio streaming is done on the main thread, beachballing certain
set-ups
* worse screenshare quality (seems that there's no dynamic scaling
anymore, compared to the Swift SDK)

This reverts commit 1235d0808e.

Release Notes:

- N/A

crates/http_client/Cargo.toml

@@ -20,7 +20,7 @@ bytes.workspace = true
 anyhow.workspace = true
 derive_more.workspace = true
 futures.workspace = true
-http.workspace = true
+http = "1.1"
 log.workspace = true
 serde.workspace = true
 serde_json.workspace = true