Update openshift_release in the sample inventory (#647)

* Update openshift_release in the sample inventory

This removes setting the version for Openshift Origin, because the
only the latest release is actually available. So if a new Origin
release comes up, the installation will fail.

playbooks/provisioning/openstack/README.md

@@ -196,7 +196,6 @@ Note, that in order to deploy OpenShift origin, you should update the following
 variables for the `inventory/group_vars/OSEv3.yml`, `all.yml`:
 
     deployment_type: origin
-    origin_release: 1.5.1
     openshift_deployment_type: "{{ deployment_type }}"
 
 ### Configure static inventory and access via a bastion node

playbooks/provisioning/openstack/sample-inventory/group_vars/OSEv3.yml

@@ -1,6 +1,5 @@
 ---
 openshift_deployment_type: origin
-openshift_release: 1.5.1
 #openshift_deployment_type: openshift-enterprise
 #openshift_release: v3.5
 openshift_master_default_subdomain: "apps.{{ env_id }}.{{ public_dns_domain }}"