Remove 2 suffix for collab, rope, settings, menu

Co-authored-by: Mikayla <mikayla@zed.dev>

crates/menu/Cargo.toml

@@ -9,4 +9,5 @@ path = "src/menu.rs"
 doctest = false
 
 [dependencies]
-gpui = { path = "../gpui" }
+gpui = { package = "gpui2", path = "../gpui2" }
+serde = { workspace = true }

crates/menu/src/menu.rs

@@ -1,4 +1,15 @@
-gpui::actions!(
+use gpui::actions;
+
+// If the zed binary doesn't use anything in this crate, it will be optimized away
+// and the actions won't initialize. So we just provide an empty initialization function
+// to be called from main.
+//
+// These may provide relevant context:
+// https://github.com/rust-lang/rust/issues/47384
+// https://github.com/mmastrac/rust-ctor/issues/280
+pub fn init() {}
+
+actions!(
     menu,
     [
         Cancel,