compositor: Remove redundant weston_surface_damage_below() calls

In the attach case we always end up calling weston_surface_damage_below()
through weston_surface_update_transform() if and only if we need it.

src/compositor.c

@@ -1119,8 +1119,6 @@ surface_attach(struct wl_client *client,
 	if (!buffer_resource && !es->output)
 		return;
 
-	weston_surface_damage_below(es);
-
 	if (es->buffer) {
 		weston_buffer_post_release(es->buffer);
 		wl_list_remove(&es->buffer_destroy_listener.link);
@@ -1684,9 +1682,6 @@ input_device_attach(struct wl_client *client,
 	if (device->input_device.pointer_focus->resource.client != client)
 		return;
 
-	if (device->sprite)
-		weston_surface_damage_below(device->sprite);
-
 	if (!buffer_resource && device->sprite->output) {
 		wl_list_remove(&device->sprite->link);
 		device->sprite->output = NULL;