start: remove monitor_signal_pdeath codepath

src/lxc/start.c

@@ -1470,16 +1470,6 @@ static int do_start(void *data)
 		goto out_warn_father;
 	}
 
-	if (handler->conf->monitor_signal_pdeath != SIGKILL) {
-		ret = lxc_set_death_signal(handler->conf->monitor_signal_pdeath,
-					   handler->monitor_pid, status_fd);
-		if (ret < 0) {
-			SYSERROR("Failed to set PR_SET_PDEATHSIG to %d",
-				 handler->conf->monitor_signal_pdeath);
-			goto out_warn_father;
-		}
-	}
-
 	/* After this call, we are in error because this ops should not return
 	 * as it execs.
 	 */