Revert "Change haproxy http-check expect for nova_console"
Revert "Change haproxy http-check expect for nova_console"

The proxy services are sending an empty response body so the backends
are actually being marked as down.

This reverts commit dc409a98e3d8b3c28cc884442776bd9b525cc851.

Change-Id: I6838bbf3875ad231dc0a1d3a2017a942fb1b4d9d

openstack/openstack-ansible,openstack/openstack-ansible,stackforge/os-ansible-deployment,stackforge/os-ansible-deployment