Removed metric_level field from response

[x] I've confirmed that instructions included in README.md are still correct after my changes in the codebase.
[ ] I've added or updated automated unit tests to verify correctness of my new code.
[x] I've added or updated integration tests to verify correctness of my new code.
[x] I've confirmed that my changes are working by executing CLI's commands manually on MacOS.
[ ] I've confirmed that my changes are working by executing CLI's commands manually on Windows.
[x] I've confirmed that my changes are up-to-date with the target branch.
[ ] I've described my changes in the release notes.
[x] I've described my changes in the section below.

snowflakedb / snowflake-cli