NO-JIRA: WIP - Remove OpenStack workaround for Ingress Floating IP

[EmilienM]

What this PR does / why we need it:

Once we have bumped openshift/api, we can revert the patch and use proper reconcile.

[openshift-ci-robot]

@EmilienM: This pull request explicitly references no jira issue.

In response to this:

What this PR does / why we need it:

Once we have bumped openshift/api, we can revert the patch and use proper reconcile.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: EmilienM
Once this PR has been reviewed and has the lgtm label, please assign csrwng for approval. For more information see the Kubernetes Code Review Process.

The full list of commands accepted by this bot can be found here.

Needs approval from an approver in each of these files:

• OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[EmilienM]

/cherry-pick release-4.18

[openshift-cherrypick-robot]

@EmilienM: 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

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.