desktop-shell: Rename destroy_layer functions

No functional change. Makes it obvious that we also call
weston_layer_fini().

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>

desktop-shell/shell.c

@@ -855,7 +855,7 @@ animate_focus_change(struct desktop_shell *shell, struct workspace *ws,
 }
 
 static void
-desktop_shell_destroy_views_on_layer(struct weston_layer *layer);
+desktop_shell_destroy_layer(struct weston_layer *layer);
 
 static void
 workspace_destroy(struct workspace *ws)
@@ -870,7 +870,7 @@ workspace_destroy(struct workspace *ws)
 	if (ws->fsurf_back)
 		focus_surface_destroy(ws->fsurf_back);
 
-	desktop_shell_destroy_views_on_layer(&ws->layer);
+	desktop_shell_destroy_layer(&ws->layer);
 	free(ws);
 }
 
@@ -4863,7 +4863,7 @@ setup_output_destroy_handler(struct weston_compositor *ec,
 }
 
 static void
-desktop_shell_destroy_views_on_layer(struct weston_layer *layer)
+desktop_shell_destroy_layer(struct weston_layer *layer)
 {
 	struct weston_view *view, *view_next;
 
@@ -4929,12 +4929,12 @@ shell_destroy(struct wl_listener *listener, void *data)
 		workspace_destroy(*ws);
 	wl_array_release(&shell->workspaces.array);
 
-	desktop_shell_destroy_views_on_layer(&shell->panel_layer);
-	desktop_shell_destroy_views_on_layer(&shell->background_layer);
-	desktop_shell_destroy_views_on_layer(&shell->lock_layer);
-	desktop_shell_destroy_views_on_layer(&shell->input_panel_layer);
-	desktop_shell_destroy_views_on_layer(&shell->minimized_layer);
-	desktop_shell_destroy_views_on_layer(&shell->fullscreen_layer);
+	desktop_shell_destroy_layer(&shell->panel_layer);
+	desktop_shell_destroy_layer(&shell->background_layer);
+	desktop_shell_destroy_layer(&shell->lock_layer);
+	desktop_shell_destroy_layer(&shell->input_panel_layer);
+	desktop_shell_destroy_layer(&shell->minimized_layer);
+	desktop_shell_destroy_layer(&shell->fullscreen_layer);
 
 	free(shell->client);
 	free(shell);