Update RO charm for the newRO and update bundle

- Add kafka and mongo relations
- Remove ui-k8s from bundle
- Add new RO relations

Change-Id: I9d68cab33dd262408b8023d58e54b0be8dc024c6
Signed-off-by: David Garcia <david.garcia@canonical.com>
Signed-off-by: beierlm <mark.beierl@canonical.com>