test/extended/operators: Drop service-ca Upgradeable exception
test/extended/operators: Drop service-ca Upgradeable exception

Because [1] has landed and [2] is ON_QA.

Also for openshift-controller-manager, [3] has landed and [4] is
VERIFIED.

[1]: https://github.com/openshift/service-ca-operator/pull/154
[2]: https://bugzilla.redhat.com/show_bug.cgi?id=1948012
[3]: https://github.com/openshift/cluster-openshift-controller-manager-operator/pull/210
[4]: https://bugzilla.redhat.com/show_bug.cgi?id=1948011

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