Remove hardcoded b.N rewrite in BenchmarkRawNode

[logica0419]

fix #313

Additional Context

The implementation is based on #313 (comment).

[k8s-ci-robot]

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[k8s-ci-robot]

Hi @logica0419. Thanks for your PR.

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[ivanvc]

@logica0419, thanks for the pull request. Could you squash your commits and sign them off so the DCO check passes? Thanks. i.e., you could do it with:

git reset --soft HEAD~2
git commit -m '...' --signoff

[logica0419]

@ivanvc
Done!