revert README

Signed-off-by: Jan Schoone <jan.schoone@uhurutec.com>

Author: jschoone

providers/openstack/scs2/README.md

@@ -28,13 +28,6 @@ oci://registry.scs.community/cluster-stacks/cso \
 clusterStackVariables:
   ociRepository: registry.scs.community/kaas/cluster-stacks
 controllerManager:
-  manager:
-    extraEnv:
-    - name: HELM_CACHE_HOME
-      value: /tmp/downloads/cluster-stacks/.helm/cache
-    image:
-      repository: ghcr.io/sovereigncloudstack/cso-staging
-      tag: sha-5b1840a
   rbac:
     additionalRules:
       - apiGroups: