macOS: Don't duplicate command palette entries for terminal commands

This is a regression introduced when we added macOS support for custom
entries. I mistakingly thought that only custom entries were in the
config, but we do initialize it with all!

src/apprt/embedded.zig

@@ -1700,23 +1700,6 @@ pub const CAPI = struct {
         return @intCast(@as(input.Mods.Backing, @bitCast(result)));
     }
 
-    /// Returns the current possible commands for a surface
-    /// in the output parameter. The memory is owned by libghostty
-    /// and doesn't need to be freed.
-    export fn ghostty_surface_commands(
-        surface: *Surface,
-        out: *[*]const input.Command.C,
-        len: *usize,
-    ) void {
-        // In the future we may use this information to filter
-        // some commands.
-        _ = surface;
-
-        const commands = input.command.defaultsC;
-        out.* = commands.ptr;
-        len.* = commands.len;
-    }
-
     /// Send this for raw keypresses (i.e. the keyDown event on macOS).
     /// This will handle the keymap translation and send the appropriate
     /// key and char events.