chore: remove unused function

[emirot]

Remove unused function forgot from previous PR bcb1a36

[k8s-ci-robot]

Hi @emirot. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[stormqueen1990]

Hi @emirot! Thanks for that!

/ok-to-test

[stormqueen1990]

/lgtm

[stormqueen1990]

/remove-lgtm
/approve

[koba1t]

Thanks for your contribution, @emirot!!
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: emirot, koba1t, stormqueen1990

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[koba1t]

/lgtm