message: return 204 when there's no response data
diff: @@ -110,7 +110,7 @@ export async function createRouter(
  .delete('/locations/:id', async (req, res) => {
  const { id } = req.params;
  await locationsCatalog.removeLocation(id);
  - res.status(200).send();
  + res.status(204).send();
  });
  }
  