message: removing saving of viewer
diff: @@ -203,7 +203,6 @@ class BenchmarkRunner:
  if not terminal:
  if viewer:
  viewer.drawWorld(world, scenario._eval_agent_ids, scenario_idx=benchmark_config.scenario_idx)
  - viewer.saveFig("/tmp/viewer_{}.png".format(step))
  viewer.show(block=False)
  time.sleep(step_time)
  viewer.clear()
  