Merge branch 'silence' into 'master'

Vendetta against noisy debug logs

See merge request wlroots/wlroots!4836

backend/drm/drm.c

@@ -766,8 +766,6 @@ static bool drm_connector_state_update_primary_fb(struct wlr_drm_connector *conn
 		&plane->formats);
 	wlr_buffer_unlock(local_buf);
 	if (!ok) {
-		wlr_drm_conn_log(conn, WLR_DEBUG,
-			"Failed to import buffer for scan-out");
 		return false;
 	}