fixed golint errors in pkg/apis/extensions register.go and types.go

[eddiehale3]

What type of PR is this?
/kind cleanup

What this PR does / why we need it:
This PR fixes golint issues in pkg/apis/extensions

Which issue(s) this PR fixes:
Ref #68026

Special notes for your reviewer:
None

Does this PR introduce a user-facing change?:

NONE

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

/sig testing
/priority backlog
/area code-organization

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Hi @kaoskater08. Thanks for your PR.

I'm waiting for a kubernetes 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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[eddiehale3]

/check-cla

[eddiehale3]

/assign @liggitt

[liggitt]

/ok-to-test

[fejta-bot]

This PR may require API review.

If so, when the changes are ready, complete the pre-review checklist and request an API review.

Status of requested reviews is tracked in the API Review project.

[eddiehale3]

/retest

[liggitt]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kaoskater08, liggitt

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Needs approval from an approver in each of these files:

• hack/OWNERS [liggitt]
• pkg/apis/OWNERS [liggitt]

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