ETCD-677: add unsupported config override for etcd container removal

[tjungblu]

/hold

for testing purposes in 2NO

[openshift-ci-robot]

@tjungblu: This pull request references ETCD-677 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 "4.18.0" version, but no target version was set.

In response to this:

/hold

for testing purposes in 2NO

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[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: tjungblu

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[tjungblu]

/cherry-pick release-4.18

[openshift-cherrypick-robot]

@tjungblu: once the present PR merges, I will cherry-pick it on top of release-4.18 in a new PR and assign it to you.

In response to this:

/cherry-pick release-4.18

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[tjungblu]

/hold cancel

[openshift-ci]

@tjungblu: 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/unit	87714bf	link	true	/test unit
ci/prow/e2e-metal-ovn-sno-cert-rotation-shutdown	87714bf	link	false	/test e2e-metal-ovn-sno-cert-rotation-shutdown
ci/prow/e2e-aws-ovn-etcd-scaling	87714bf	link	true	/test e2e-aws-ovn-etcd-scaling
ci/prow/e2e-aws-etcd-certrotation	87714bf	link	false	/test e2e-aws-etcd-certrotation
ci/prow/e2e-metal-ovn-ha-cert-rotation-shutdown	87714bf	link	false	/test e2e-metal-ovn-ha-cert-rotation-shutdown
ci/prow/e2e-operator-fips	87714bf	link	false	/test e2e-operator-fips
ci/prow/e2e-aws-etcd-recovery	87714bf	link	false	/test e2e-aws-etcd-recovery

Full PR test history. Your PR dashboard.

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