Revert "MULTIARCH-5190: Promote ImageStreamImportMode to default"

[neisw]

Reverts #2266
This is for testing only to get back to a state prior to 4.21.0-0.nightly-2025-11-27-173427 where we have picked up disruption noted in OCPBUGS-66420 most likely case is we rule out that any of these changes are in play here.

[openshift-ci-robot]

Pipeline controller notification
This repo is configured to use the pipeline controller. Second-stage tests will be triggered either automatically or after lgtm label is added, depending on the repository configuration. The pipeline controller will automatically detect which contexts are required and will utilize /test Prow commands to trigger the second stage.

For optional jobs, comment /test ? to see a list of all defined jobs. To trigger manually all jobs from second stage use /pipeline required command.

This repository is configured in: LGTM mode

[openshift-ci-robot]

@neisw: This pull request references MULTIARCH-5190 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 "4.21.0" version, but no target version was set.

Details

In response to this:

Reverts #2266
This is for testing only to get back to a state prior to 4.21.0-0.nightly-2025-11-27-173427 where we have picked up disruption noted in OCPBUGS-66420 most likely case is we rule out that any of these changes are in play here.

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[openshift-ci]

Hello @neisw! Some important instructions when contributing to openshift/api:
API design plays an important part in the user experience of OpenShift and as such API PRs are subject to a high level of scrutiny to ensure they follow our best practices. If you haven't already done so, please review the OpenShift API Conventions and ensure that your proposed changes are compliant. Following these conventions will help expedite the api review process for your PR.

[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[neisw]

/payload-aggregate periodic-ci-openshift-release-master-nightly-4.21-e2e-aws-ovn-upgrade-fips 10

[openshift-ci]

@neisw: trigger 1 job(s) for the /payload-(with-prs|job|aggregate|job-with-prs|aggregate-with-prs) command

• periodic-ci-openshift-release-master-nightly-4.21-e2e-aws-ovn-upgrade-fips

See details on https://pr-payload-tests.ci.openshift.org/runs/ci/5c78c430-d60e-11f0-92f7-34f8e4b40f23-0

[neisw]

/payload-aggregate-with-prs periodic-ci-openshift-release-master-nightly-4.21-e2e-aws-ovn-upgrade-fips 10 openshift/cluster-api#254

[openshift-ci]

@neisw: trigger 1 job(s) for the /payload-(with-prs|job|aggregate|job-with-prs|aggregate-with-prs) command

• periodic-ci-openshift-release-master-nightly-4.21-e2e-aws-ovn-upgrade-fips

See details on https://pr-payload-tests.ci.openshift.org/runs/ci/d46da960-d636-11f0-8a55-939474e54294-0

[neisw]

/close

[openshift-ci]

@neisw: Closed this PR.

Details

In response to this:

/close

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