chore: referencing the setup-kind script from the plumbing repo instead of copying it

[infernus01]

Changes

Fixes #2520

• Remove hack/setup-kind.sh and replaced by tektoncd/plumbing version

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• Includes tests (if functionality changed/added)
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Release Notes

[divyansh42]

/ok-to-test

[divyansh42]

/ok-to-test

[pratap0007]

/lgtm

[pratap0007]

/ok-to-test
/retest

[infernus01]

Did the CI run? Since we already have /ok-to-test multiple times, but I didn't see the CIs running anytime?

[divyansh42]

Did the CI run? Since we already have /ok-to-test multiple times, but I didn't see the CIs running anytime?

It seems there is some issue, can you try to rebase the PR?

[vdemeester]

@infernus01 can you rebase ?

[tekton-robot]

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[pratap0007]

/lgtm

[tekton-robot]

@infernus01: PR needs rebase.

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[pratap0007]

@infernus01 can you please rebase it?