go mod tidy

[vdhanan]

Is this a bug fix or adding new feature?
bug fix
What is this PR about? / Why do we need it?
testing to see if go mod tidy fixes the prow issue seen in #776
What testing is done?
make test failed

[k8s-ci-robot]

Hi @vdhanan. 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.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[AndyXiangLi]

/ok-to-test
/hold

[coveralls]

Pull Request Test Coverage Report for Build 1673

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 81.712%

---

Totals
Change from base Build 1668:	0.0%
Covered Lines:	1747
Relevant Lines:	2138

---

💛 - Coveralls

[AndyXiangLi]

/lgtm

[wongma7]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: vdhanan, wongma7

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[AndyXiangLi]

/unhold