Simplify case conditions

[littlejiancc]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

Condition is always 'true' because 'err' is always 'nil'

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

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

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[alculquicondor]

/retitle Simplify case conditions

Optimize is usually associated with performance, which this is not (at least, not in a meaningful way)

/lgtm

[alculquicondor]

/ok-to-test

[littlejiancc]

/test pull-kubernetes-integration

[littlejiancc]

/assign @soltysh

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/lifecycle stale

[soltysh]

/release-note-note
/triage accepted
/priority backlog

[soltysh]

/approve

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: littlejiancc, soltysh

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[pacoxu]

/release-note-none