Audit and tidy OWNERS

[baude]

Clean ups on reviewers and approvers for the OWNERS file. Removed duplications of reviewers (from approvers) and added Jan.

What type of PR is this?

/kind api-change
/kind bug
/kind cleanup
/kind deprecation
/kind design
/kind documentation
/kind failing-test
/kind feature
/kind flake
/kind other

What this PR does / why we need it:

How to verify it

Which issue(s) this PR fixes:

Special notes for your reviewer:

Does this PR introduce a user-facing change?

None

[packit-as-a-service]

Ephemeral COPR build failed. @containers/packit-build please check.

[nalind]

Looks like the bot mistakenly added something back to go.mod when it merged #5755. I guess you can either go mod tidy in a separate commit, or wait for another dependency update along the lines of #5760 to be merged and rebase on top of it.

[rhatdan]

/approve
/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: baude, rhatdan

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Needs approval from an approver in each of these files:

• OWNERS [rhatdan]

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