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-core/templates/tests/test-xos-core-api.yaml b/xos-core/templates/tests/test-xos-core-api.yaml
index 1162de0..7899b00 100644
--- a/xos-core/templates/tests/test-xos-core-api.yaml
+++ b/xos-core/templates/tests/test-xos-core-api.yaml
@@ -25,8 +25,8 @@
   restartPolicy: Never
   containers:
     - name: {{ .Release.Name }}-api-test
-      image: {{ .Values.global.registry }}{{ .Values.images.xos_api_tester.repository }}:{{ tpl .Values.images.xos_api_tester.tag . }}
-      imagePullPolicy: {{ .Values.images.xos_api_tester.pullPolicy }}
+      image: {{ .Values.xos_api_testerImage }}
+      imagePullPolicy: {{ .Values.imagePullPolicy }}
       volumeMounts:
         - name: log-volume
           mountPath: /src/cord-api/Tests/Log/