code: public void deleteRequestGroup(String requestGroupId) {
      final Function<String, String> requestUri = (host) -> String.format(REQUEST_GROUP_FORMAT, getApiBase(host), requestGroupId);
  
      delete(requestUri, "request group", requestGroupId);
    }
docs: Remove a {@link SingularityRequestGroup}
  
  @param requestGroupId
  The request group ID to search for