Remove XXX comment
@@ -426,7 +426,6 @@ struct wlr_output *wlr_output_layout_get_center_output(
struct wlr_output *wlr_output_layout_adjacent_output(
struct wlr_output_layout *layout, enum wlr_direction direction,
struct wlr_output *reference, double ref_x, double ref_y) {
- // XXX should we allow reference to be NULL?
assert(reference);
struct wlr_box *ref_box = wlr_output_layout_get_box(layout, reference);
