Revert "XOS/NEM charts, use a global registry var, split docker image name/tag/pullPolicy"

This reverts commit 1f58c2afbd680c8c618bff6f66e9982515dd1caf.

Change-Id: I0d7ef37a420168276472675b005482d6d11daabd
diff --git a/xos-services/openstack/values.yaml b/xos-services/openstack/values.yaml
index e619da0..bf45148 100644
--- a/xos-services/openstack/values.yaml
+++ b/xos-services/openstack/values.yaml
@@ -24,13 +24,7 @@
 
 imagePullPolicy: 'Always'
 
-image:
-  repository: xosproject/openstack-synchronizer
-  tag: "{{ .Chart.AppVersion }}"
-  pullPolicy: Always
-
-global:
-  registry: ""
+openstack_synchronizerImage: "xosproject/openstack-synchronizer:{{ .Chart.Version }}"
 
 xosAdminUser: "admin@opencord.org"
 xosAdminPassword: "letmein"