e2e: verify NROP machineconfigs are removed

[rbaturov]

Starting in version 4.18, NROP MachineConfigs containing the custom SELinux policy are expected to be removed unless a specific annotation is set in the NUMAResourcesOperator CR to enforce the use of the custom (legacy) SELinux policy. To ensure this behavior, we added a test that verifies MachineConfigs are removed when the annotation is absent in the CR.

[openshift-ci]

Skipping CI for Draft Pull Request.
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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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

/test all

[openshift-ci]

@rbaturov: 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
ci/prow/ci-e2e-install-hypershift	b569a7e	link	true	/test ci-e2e-install-hypershift

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