code: func (r *Store) RemoveMount(ctx context.Context, alias string) error {
  	if _, found := r.mounts[alias]; !found {
  		return errors.Errorf("%s is not mounted", alias)
  	}
  	if _, found := r.mounts[alias]; !found {
  		out.Yellow(ctx, "%s is not initialized", alias)
  	}
  	delete(r.mounts, alias)
  	delete(r.cfg.Mounts, alias)
  	return nil
  }
docs: // RemoveMount removes and existing mount