*-controller-manager: remove the redundancy import file

[stewart-yu]

What this PR does / why we need it:
remove the redundancy import file

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

Special notes for your reviewer:
remove the redundancy import file @deads2k @mikedanese

Release note:

NONE

[mikedanese]

/lgtm

[stewart-yu]

/test pull-kubernetes-e2e-kops-aws

[stewart-yu]

/retest

[Lion-Wei]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Lion-Wei, mikedanese, stewart-yu

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Needs approval from an approver in each of these files:

• cmd/cloud-controller-manager/OWNERS [mikedanese]
• cmd/kube-controller-manager/OWNERS [mikedanese]

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[fejta-bot]

/retest
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[fejta-bot]

/retest
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Review the full test history for this PR.

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[stewart-yu]

/test pull-kubernetes-e2e-kops-aws

[k8s-github-robot]

Automatic merge from submit-queue (batch tested with PRs 67347, 67307, 67358, 67364, 67385). If you want to cherry-pick this change to another branch, please follow the instructions here.