output-layout: remove useless types/fields

include/wlr/types/wlr_output_layout.h

@@ -15,7 +15,6 @@
 #include <wlr/util/addon.h>
 
 struct wlr_box;
-struct wlr_output_layout_state;
 
 /**
  * Helper to arrange outputs in a 2D coordinate space. The output effective
@@ -27,7 +26,6 @@ struct wlr_output_layout_state;
  */
 struct wlr_output_layout {
 	struct wl_list outputs;
-	struct wlr_output_layout_state *state;
 
 	struct {
 		struct wl_signal add;

types/wlr_output_layout.c

@@ -8,15 +8,10 @@
 #include <wlr/util/log.h>
 #include "util/signal.h"
 
-struct wlr_output_layout_state {
-	struct wlr_box _box; // should never be read directly, use the getter
-};
-
 struct wlr_output_layout_output_state {
 	struct wlr_output_layout *layout;
 	struct wlr_output_layout_output *l_output;
 
-	struct wlr_box _box; // should never be read directly, use the getter
 	bool auto_configured;
 
 	struct wl_listener mode;
@@ -31,11 +26,6 @@ struct wlr_output_layout *wlr_output_layout_create(void) {
 	if (layout == NULL) {
 		return NULL;
 	}
-	layout->state = calloc(1, sizeof(struct wlr_output_layout_state));
-	if (layout->state == NULL) {
-		free(layout);
-		return NULL;
-	}
 	wl_list_init(&layout->outputs);
 
 	wl_signal_init(&layout->events.add);
@@ -69,7 +59,6 @@ void wlr_output_layout_destroy(struct wlr_output_layout *layout) {
 		output_layout_output_destroy(l_output);
 	}
 
-	free(layout->state);
 	free(layout);
 }