OCPBUGS-51113: Remove known issue from 4.20 RN

[danielclowers]

Version(s):
4.20

Issue:
https://issues.redhat.com/browse/OCPBUGS-51113

Link to docs preview:

QE review:

• QE has approved this change.

Additional information:

[openshift-ci-robot]

@danielclowers: This pull request references Jira Issue OCPBUGS-51113, which is invalid:

• expected Jira Issue OCPBUGS-51113 to depend on a bug in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but no dependents were found

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

In response to this:

Version(s):
4.20

Issue:
https://issues.redhat.com/browse/OCPBUGS-51113

Link to docs preview:

QE review:

• QE has approved this change.

Additional information:

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[ocpdocs-previewbot]

🤖 Thu Oct 23 15:56:52 - Prow CI generated the docs preview:

https://101018--ocpdocs-pr.netlify.app/openshift-enterprise/latest/virt/release_notes/virt-4-20-release-notes.html

[openshift-ci]

@danielclowers: all tests passed!

Full PR test history. Your PR dashboard.

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