Remove pvc-flush references

This service causes more problems than it solves usually, so it is being
removed in the next PVC version.

oneshot/update-pvc-cluster.yml

@@ -92,12 +92,6 @@
           become: no
           connection: local
 
-        - name: stop and disable PVC flush daemon cleanly
-          service:
-            name: pvc-flush
-            state: stopped
-            enabled: no
-
         - name: stop PVC daemon cleanly
           service:
             name: pvcnoded
@@ -190,12 +184,6 @@
           become: no
           connection: local
   
-        - name: start and enable PVC flush daemon cleanly
-          service:
-            name: pvc-flush
-            state: started
-            enabled: yes
-
         - name: reset any systemd failures
           command: systemctl reset-failed
       when: freshness.changed