fix "hapoxy" typo in loadbalancer playbook

Signed-off-by: Mathias Merscher <Mathias.Merscher@dg-i.net>

playbooks/common/openshift-loadbalancer/service.yml

@@ -17,4 +17,4 @@
   connection: ssh
   gather_facts: no
   tasks:
-    - service: name=hapoxy state="{{ new_cluster_state }}"
+    - service: name=haproxy state="{{ new_cluster_state }}"