message: refactor(utils): remove removed options workaround
diff: @@ -475,7 +475,6 @@ export function mapOptions(
  );
  const options = Object.assign({}, rawOptions); // for sanity
  - delete options.items;
  if (OptionsCTOR.prototype instanceof mongoose.SchemaTypeOptions) {
  for (const [key, value] of Object.entries(options)) {
  