🌱 Remove duplicate lines in controller.go

[horis233]

When I read the controller.go file, I found this step is duplicated with https://github.com/kubernetes-sigs/controller-runtime/blob/master/pkg/controller/controller.go#L99-L101. Thus I create a PR to remove it.

[k8s-ci-robot]

Hi @horis233. 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.

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[horis233]

/assign @gerred

[vincepri]

/ok-to-test
/approve
/lgtm
/retitle 🌱 Remove duplicate lines in controller.go

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: horis233, vincepri

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[vincepri]

Thank you!