tests/utils.go: Remove unused function

[Barakmor1]

What this PR does

Before this PR:

After this PR:

Fixes #

Why we need it and why it was done in this way

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• Upgrade: Impact of this change on upgrade flows was considered and addressed if required
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[kubevirt-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[Barakmor1]

/sig code-quality

[kubevirt-bot]

@Barakmor1: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-kubevirt-conformance-arm64	c1db1b4	link	false	/test pull-kubevirt-conformance-arm64
pull-kubevirt-e2e-arm64	c1db1b4	link	false	/test pull-kubevirt-e2e-arm64
pull-kubevirt-e2e-k8s-1.29-sig-operator	c1db1b4	link	true	/test pull-kubevirt-e2e-k8s-1.29-sig-operator
pull-kubevirt-e2e-k8s-1.29-sig-network	c1db1b4	link	true	/test pull-kubevirt-e2e-k8s-1.29-sig-network
pull-kubevirt-e2e-k8s-1.29-sig-compute	c1db1b4	link	true	/test pull-kubevirt-e2e-k8s-1.29-sig-compute
pull-kubevirt-check-unassigned-tests	c1db1b4	link	true	/test pull-kubevirt-check-unassigned-tests
pull-kubevirt-e2e-k8s-1.29-sig-compute-migrations	c1db1b4	link	true	/test pull-kubevirt-e2e-k8s-1.29-sig-compute-migrations
pull-kubevirt-e2e-k8s-1.29-sig-storage	c1db1b4	link	true	/test pull-kubevirt-e2e-k8s-1.29-sig-storage
pull-kubevirt-check-tests-for-flakes	c1db1b4	link	false	/test pull-kubevirt-check-tests-for-flakes
pull-kubevirt-code-lint	c1db1b4	link	true	/test pull-kubevirt-code-lint

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[Barakmor1]

/close

[kubevirt-bot]

@Barakmor1: Closed this PR.

In response to this:

/close

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[Barakmor1]

IDE confused me that function is being used