Revert to haproxy22

[frobware]

This partially reverts PR #313.

We are switching back to haproxy-2.2 as our performance analysis shows
there are performance degradations when compared to the haproxy-2.2
series.

[frobware]

Waiting for the old haproxy22 RPM to turn up here: https://download.eng.bos.redhat.com/rcm-guest/puddles/RHAOS/plashets/4.9-el8/building/x86_64/os/Packages/?C=M;O=D

[frobware]

Current build tags:

$ brew latest-build rhaos-4.9-rhel-8-candidate haproxy
Build                                     Tag                   Built by
----------------------------------------  --------------------  ----------------
haproxy-2.2.13-1.el8                      rhaos-4.9-rhel-8-candidate  amcdermo

[frobware]

/retest

[smarterclayton]

Running network stress in https://prow.ci.openshift.org/view/gs/origin-ci-test/logs/release-openshift-origin-installer-launch-aws/1412856796430733312 for this PR

[smarterclayton]

After the revert network stress seems to be passing router tests (network policy failure is a separate issue)

[frobware]

/retest

[frobware]

[sig-apps] [Feature:TTLAfterFinished] job should be deleted once it finishes after TTL seconds [Suite:openshift/conformance/parallel] [Suite:k8s] 

is flaky and noted here https://bugzilla.redhat.com/show_bug.cgi?id=1957886#c4

/test e2e-metal-ipi-ovn-ipv6

[frobware]

Failures:

[sig-network] Netpol [LinuxOnly] NetworkPolicy between server and client should deny egress from all pods in a namespace [Feature:NetworkPolicy] [Skipped:Network/OpenShiftSDN/Multitenant] [Skipped:Network/OpenShiftSDN] 

[Suite:openshift/conformance/parallel] [Suite:k8s] expand_more15m0s | : [sig-network] Netpol [LinuxOnly] NetworkPolicy between server and client should deny egress from all pods in a namespace [Feature:NetworkPolicy] 

/retest

[Miciah]

/lgtm

[openshift-ci]

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