Removed redundant warning in CLI parsing

[naveen521kk]

Changelog / Overview

Remove redundant warning in CLI parsing
There was a redundant warning about arguments parsing
which is never triggered.

Motivation

Cleans code that is never used.

Explanation for Changes

From #1013 there were some changes after 14fa079 which actually fixed this issue but this warning simply remained and is removed in this PR>

Documentation Reference

Checklist

• I have read the Contributing Guidelines
• I have written a descriptive PR title (see top of PR template for examples)
• I have written a changelog entry for the PR or deem it unnecessary
• My new functions/classes either have a docstring or are private
• My new functions/classes have tests added and (optional) examples in the docs
• My new documentation builds, looks correctly formatted, and adds no additional build warnings

Reviewer Checklist

• The PR title is descriptive enough
• The PR is labeled correctly
• The changelog entry is completed if necessary
• Newly added functions/classes either have a docstring or are private
• Newly added functions/classes have tests added and (optional) examples in the docs
• Newly added documentation builds, looks correctly formatted, and adds no additional build warnings