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/att-workflow-driver/Chart.yaml b/xos-services/att-workflow-driver/Chart.yaml
index a9cec7c..5918548 100644
--- a/xos-services/att-workflow-driver/Chart.yaml
+++ b/xos-services/att-workflow-driver/Chart.yaml
@@ -16,7 +16,4 @@
 
 name: att-workflow-driver
 description: A Helm chart for XOS's "att-workflow-driver" service
-icon: https://guide.opencord.org/logos/cord.svg
-
-version: 1.0.2
-appVersion: 1.0.2
+version: 1.0.0-dev