### _Why are the changes needed?_
When users copy the config directly, the suffix comments will cause run failure.
### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible
- [ ] Add screenshots for manual tests if appropriate
- [ ] [Run test](https://kyuubi.apache.org/docs/latest/develop_tools/testing.html#running-tests) locally before make a pull request
Closes#3726 from hddong/improve-trino-quick-start.
Closes#3726
1b330d5e [hongdongdong] [DOCS] Place comments above line to avoid mislead users
Authored-by: hongdongdong <hongdd@apache.org>
Signed-off-by: hongdongdong <hongdd@apache.org>