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,

crates/theme/src/styles/colors.rs

@@ -57,8 +57,6 @@ pub struct ThemeColors {
     pub element_disabled: Hsla,
     /// Background Color. Used for the area that shows where a dragged element will be dropped.
     pub drop_target_background: Hsla,
-    /// Border Color. Used to show the area that shows where a dragged element will be dropped.
-    // pub drop_target_border: Hsla,
     /// Used for the background of a ghost element that should have the same background as the surface it's on.
     ///
     /// Elements might include: Buttons, Inputs, Checkboxes, Radio Buttons...
@@ -140,16 +138,12 @@ pub struct ThemeColors {
     pub scrollbar_track_background: Hsla,
     /// The border color of the scrollbar track.
     pub scrollbar_track_border: Hsla,
-    // /// The opacity of the scrollbar status marks, like diagnostic states and git status.
-    // todo()
-    // pub scrollbar_status_opacity: Hsla,
 
     // ===
     // Editor
     // ===
     pub editor_foreground: Hsla,
     pub editor_background: Hsla,
-    // pub editor_inactive_background: Hsla,
     pub editor_gutter_background: Hsla,
     pub editor_subheader_background: Hsla,
     pub editor_active_line_background: Hsla,