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-gui/templates/ws-deployment.yaml b/xos-gui/templates/ws-deployment.yaml
index e10d0f8..9d958bb 100644
--- a/xos-gui/templates/ws-deployment.yaml
+++ b/xos-gui/templates/ws-deployment.yaml
@@ -28,8 +28,8 @@
     spec:
       containers:
         - name: xos-ws
-          image: {{ .Values.global.registry }}{{ .Values.images.xos_ws.repository }}:{{ tpl .Values.images.xos_ws.tag . }}
-          imagePullPolicy: {{ .Values.images.xos_ws.pullPolicy }}
+          image: {{ .Values.xos_wsImage | quote }}
+          imagePullPolicy: {{ .Values.imagePullPolicy }}
           command: ["npm", "start", "--", "--config", "gateway-config.yml"]
           ports:
             - containerPort: 3000