chore(template): Combine keys in registry-specific values file

This change is based on stackabletech/decisions#84

Author: Techassi

…ator]]/values/oci.stackable.tech.yaml.j2 …perator]]/values/oci.stackable.tech.yamltemplate/deploy/helm/[[operator]]/values/oci.stackable.tech.yaml.j2 renamed to template/deploy/helm/[[operator]]/values/oci.stackable.tech.yaml template/deploy/helm/[[operator]]/values/oci.stackable.tech.yaml.j2 renamed to template/deploy/helm/[[operator]]/values/oci.stackable.tech.yaml

@@ -1,5 +1,4 @@
 ---
 # Values overlay for chart packages published to oci.stackable.tech.
 image:
-  registry: oci.stackable.tech
-  repository: sdp/{[ operator.name }]
+  repository: oci.stackable.tech/sdp