remove ungated case from manifest-merge

[deads2k]

Removes overrides for nearly all clusterprofiles (authentication remains because it needs featuregates-by-cluster-profile to work).

Removes overrides for ungated.

Removes ungated option from generator

[openshift-ci]

Hello @deads2k! 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.

[deads2k]

/override ci/prow/verify-crd-schema

[openshift-ci]

@deads2k: Overrode contexts on behalf of deads2k: ci/prow/verify-crd-schema

In response to this:

/override ci/prow/verify-crd-schema

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[deads2k]

/retest

[deads2k]

/retest

[JoelSpeed]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: deads2k, JoelSpeed

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• OWNERS [JoelSpeed,deads2k]

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[openshift-bot]

[ART PR BUILD NOTIFIER]

This PR has been included in build ose-cluster-config-api-container-v4.16.0-202403111814.p0.gdcd6ab3.assembly.stream.el9 for distgit ose-cluster-config-api.
All builds following this will include this PR.