USHIFT-5578: remove upstream/okd directory

[eslutsky]

upstream content is moved here https://github.com/microshift-io/microshift

[openshift-ci-robot]

@eslutsky: This pull request references USHIFT-5578 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "4.20.0" version, but no target version was set.

In response to this:

upstream content is moved here https://github.com/microshift-io/microshift

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[openshift-ci]

@eslutsky: all tests passed!

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[ggiguash]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: eslutsky, ggiguash

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