code: func (a *ACL) AuthMethodDelete(methodName string, q *WriteOptions) (*WriteMeta, error) {
  	if methodName == "" {
  		return nil, fmt.Errorf("Must specify a Name in Auth Method Delete")
  	}
  
  	r := a.c.newRequest("DELETE", "/v1/acl/auth-method/"+url.QueryEscape(methodName))
  	r.setWriteOptions(q)
  	rtt, resp, err := requireOK(a.c.doRequest(r))
  	if err != nil {
  		return nil, err
  	}
  	resp.Body.Close()
  
  	wm := &WriteMeta{RequestTime: rtt}
  	return wm, nil
  }
docs: // AuthMethodDelete deletes an auth method given its Name.