Remove kjobctl from kueue.

[mbobrovskyi]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

Kjob moved to separate repository https://github.com/kubernetes-sigs/kjob.

Which issue(s) this PR fixes:

Fixes #2778

Special notes for your reviewer:

Does this PR introduce a user-facing change?

NONE

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[k8s-ci-robot]

@mbobrovskyi: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-kueue-test-kjobctl	06a04f6	link	true	/test pull-kueue-test-kjobctl

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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[kannon92]

kubernetes/test-infra#33897 is related to this PR.

[tenzen-y]

Thank you!
/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mbobrovskyi, tenzen-y

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[k8s-ci-robot]

LGTM label has been added.

Git tree hash: e4332681f9d1464b3e5ace69972460e79fd18425