Avoid removal of old versions at all

We simply shouldn't do this here. Let's leave them hanging around unless
removed in another way (e.g. in update-pvc-daemons)

roles/pvc/tasks/pvc/main.yml

@@ -36,22 +36,6 @@
     group: sudo
   with_items:
     - pvc.conf
-  register: new_daemon_config
-
-- name: remove obsolete pvc daemon configurations
-  file:
-    dest: "/etc/pvc/{{ item }}"
-    state: absent
-  with_items:
-    - pvcnoded.yaml
-    - pvcapid.yaml
-    - autobackup.yaml
-  # Only apply this task when the new daemon config has NOT changed.
-  # In practice, this means that the first time pvc.conf is written,
-  # the old configs will NOT be purged. Then, the next time this is
-  # run (presuming no fundamental changes happen to that config),
-  # they will be removed. Provides safety in case of a failed update.
-  when: not new_daemon_config.changed
 
 - name: install API SSL certificate file
   copy: