fix pkg/volume/vspherevolume static check

[Haleygo]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:

/kind api-change
/kind bug
/kind cleanup
/kind deprecation
/kind design
/kind documentation
/kind failing-test
/kind feature
/kind flake

/kind cleanup

What this PR does / why we need it: Cleanup pkg/volume/vsphere_volume static check errors.

Which issue(s) this PR fixes:

Part of #92402

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

[k8s-ci-robot]

Hi @Haleygo. Thanks for your PR.

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[msau42]

/ok-to-test

[msau42]

Can you also remove these fields from hack/.staticcheck_failures?

[Haleygo]

Can you also remove these fields from hack/.staticcheck_failures?

Sorry I missed that! Done.

[msau42]

/lgtm
/approve
/retest

[msau42]

/assign @BenTheElder
for hack approval

[BenTheElder]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: BenTheElder, Haleygo, msau42

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Needs approval from an approver in each of these files:

• hack/OWNERS [BenTheElder]
• pkg/volume/vsphere_volume/OWNERS [msau42]

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[fejta-bot]

/retest
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[dims]

/kind cleanup