remove dead code

[Sujeev-Uthayakumar]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

Completing clean-up of dead code in for service.beta.kubernetes.io/azure-shared-securityrule.

Which issue(s) this PR fixes:

There were no issues prior, everything will work as intended.

Fixes #9905

Special notes for your reviewer:

N/A

Does this PR introduce a user-facing change?

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NONE

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

N/A

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: Sujeev-Uthayakumar / name: Sujeev Uthayakumar (1df6009)

[k8s-ci-robot]

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: Sujeev-Uthayakumar
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[k8s-ci-robot]

Hi @Sujeev-Uthayakumar. Thanks for your PR.

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[k8s-triage-robot]

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/lifecycle stale