WIP: WRKLDS-1599: Drop support for image manifest schema 1

[tchap]

This is needed so that we can upgrade to distribution/[email protected]

[openshift-ci-robot]

@tchap: This pull request references WRKLDS-1599 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:

This is needed so that we can upgrade to distribution/[email protected]

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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: tchap
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[openshift-ci]

@tchap: The following tests 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/e2e-aws-ovn-serial	90f7362	link	true	/test e2e-aws-ovn-serial
ci/prow/e2e-aws-ovn-cmd	90f7362	link	false	/test e2e-aws-ovn-cmd
ci/prow/unit	90f7362	link	true	/test unit

Full PR test history. Your PR dashboard.

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