Remove dependency on k8s.io/kubernetes

[jacobsalway]

Purpose of this PR

• Remove dependency on k8s.io/kubernetes by bringing the interrupt handler structure into the repo.
• k8s.io/kubernretes is not intended to be used by any external projects, causes headaches when trying to upgrade k8s.io dependencies and requires replace directives in the go.mod.

kubernetes/kubernetes#79384

Change Category

• Bugfix (non-breaking change which fixes an issue)
• Feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that could affect existing functionality)
• Documentation update

Rationale

Checklist

• I have conducted a self-review of my own code.
• I have updated documentation accordingly.
• I have added tests that prove my changes are effective or that my feature works.
• Existing unit tests pass locally with my changes.

[jacobsalway]

/assign @ImpSy @ChenYi015

[google-oss-prow]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: ImpSy
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[ImpSy]

/lgtm