 [](https://github.com/yaooqinn/kyuubi/pull/452)      [<img width="16" alt="Powered by Pull Request Badge" src="https://user-images.githubusercontent.com/1393946/111216524-d2bb8e00-85d4-11eb-821b-ed4c00989c02.png">](https://pullrequestbadge.com/?utm_medium=github&utm_source=yaooqinn&utm_campaign=badge_info)<!-- PR-BADGE: PLEASE DO NOT REMOVE THIS COMMENT --> Closes #452 from watermen/group. 1b89b1c [Kent Yao] Remove the unclearly defined group share level engines Lead-authored-by: watermen <qiyadong2010@gmail.com> Co-authored-by: Kent Yao <yao@apache.org> Signed-off-by: Kent Yao <yao@apache.org>