Remove commented-out code (#23089)

This PR removes some commented-out code from the codebase.

Release Notes:

- N/A

crates/rpc/src/proto_client.rs

@@ -5,7 +5,6 @@ use futures::{
     Future, FutureExt as _,
 };
 use gpui::{AnyModel, AnyWeakModel, AsyncAppContext, Model};
-// pub use prost::Message;
 use proto::{
     error::ErrorExt as _, AnyTypedEnvelope, EntityMessage, Envelope, EnvelopedMessage,
     RequestMessage, TypedEnvelope,