code: func (api *API) DeleteAccountMember(accountID string, userID string) error {
  	if accountID == "" {
  		return errors.New(errMissingAccountID)
  	}
  
  	uri := fmt.Sprintf("/accounts/%s/members/%s", accountID, userID)
  
  	_, err := api.makeRequest("DELETE", uri, nil)
  	if err != nil {
  		return errors.Wrap(err, errMakeRequestError)
  	}
  
  	return nil
  }
docs: // DeleteAccountMember removes a member from an account.
  //
  // API reference: https://api.cloudflare.com/#account-members-remove-member