feat(cli): remove cobra cli support

[ivankatliarchuk]

What does it do ?

#6025 (comment)

Motivation

Resolves #5379

More

• Yes, this PR title follows Conventional Commits
• Yes, I added unit tests
• Yes, I updated end user documentation accordingly

[coveralls]

Pull Request Test Coverage Report for Build 20370755894

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.1%) to 78.558%

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Totals
Change from base Build 20249125080:	-0.1%
Covered Lines:	15901
Relevant Lines:	20241

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💛 - Coveralls

[ivankatliarchuk]

Hi @vflaux , do you have an idea of when you’re planning to continue or complete this review?

[vflaux]

/lgtm

[ivankatliarchuk]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ivankatliarchuk

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