code: func (s *UsersService) DeleteEmails(ctx context.Context, emails []string) (*Response, error) {
  	u := "user/emails"
  	req, err := s.client.NewRequest("DELETE", u, emails)
  	if err != nil {
  		return nil, err
  	}
  
  	return s.client.Do(ctx, req, nil)
  }
docs: // DeleteEmails deletes email addresses from authenticated user.
  //
  // GitHub API docs: https://developer.github.com/v3/users/emails/#delete-email-addresses