code: func (c *roles) Delete(name string, options *v1.DeleteOptions) error {
  	return c.client.Delete().
  		Namespace(c.ns).
  		Resource("roles").
  		Name(name).
  		Body(options).
  		Do().
  		Error()
  }
docs: // Delete takes name of the role and deletes it. Returns an error if one occurs.