Remove pre upgrade verification step re: etcd ca host.

playbooks/common/openshift-cluster/upgrades/pre/verify_cluster.yml

@@ -92,25 +92,3 @@
         state: started
         enabled: yes
       with_items: "{{ master_services }}"
-
-# Until openshift-ansible is determining which host is the CA host we
-# must (unfortunately) ensure that the first host in the etcd group is
-# the etcd CA host.
-# https://bugzilla.redhat.com/show_bug.cgi?id=1469358
-- name: Verify we can proceed on first etcd
-  hosts: oo_first_etcd
-  gather_facts: no
-  tasks:
-  - name: Ensure CA exists on first etcd
-    stat:
-      path: /etc/etcd/generated_certs
-    register: __etcd_ca_stat
-
-  - fail:
-      msg: >
-        In order to correct an etcd certificate signing problem
-        upgrading may require re-generating etcd certificates. Please
-        ensure that the /etc/etcd/generated_certs directory exists on
-        the first host defined in your [etcd] group.
-    when:
-    - not __etcd_ca_stat.stat.exists | bool