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/vtn-service/values.yaml b/xos-services/vtn-service/values.yaml
index f15fd29..6c25d21 100644
--- a/xos-services/vtn-service/values.yaml
+++ b/xos-services/vtn-service/values.yaml
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# Default values for VTN
+# Default values for TTN
 # This is a YAML-formatted file.
 # Declare variables to be passed into your templates.
 
@@ -22,13 +22,9 @@
 nameOverride: ""
 fullnameOverride: ""
 
-image:
-  repository: 'xosproject/vtn-synchronizer'
-  tag: '{{ .Chart.AppVersion }}'
-  pullPolicy: 'Always'
+imagePullPolicy: 'Always'
 
-global:
-  registry: ''
+vtn_synchronizerImage: "xosproject/vtn-synchronizer:{{ .Chart.Version }}"
 
 xosAdminUser: "admin@opencord.org"
 xosAdminPassword: "letmein"