chore: remove trivial single-use helper functions

crates/dock/src/lib.rs

@@ -25,19 +25,6 @@ pub fn add_center_panel(
     area.add_panel_view(panel, DockPlacement::Center, None, window, cx);
 }
 
-/// Add an already-wrapped panel handle to the bottom dock of `area`.
-///
-/// Used for sub-views that hang under the center, such as the inbox's Unread
-/// and Archived lists.
-pub fn add_bottom_panel(
-    area: &mut DockArea,
-    panel: Arc<dyn PanelView>,
-    window: &mut Window,
-    cx: &mut Context<DockArea>,
-) {
-    area.add_panel_view(panel, DockPlacement::Bottom, None, window, cx);
-}
-
 /// The fixed height of the tab bar, which doubles as the window title bar.
 pub const TAB_BAR_HEIGHT: Pixels = px(44.);