Remove positions volume and mount from Promtail configuration

apps/logging/promtail/values.yaml

@@ -134,19 +134,11 @@ promtail:
       hostPath:
         path: /var/log/journal
   
-    - name: positions
-      hostPath:
-        path: /var/lib/promtail/positions
-        type: DirectoryOrCreate
-  
   extraVolumeMounts:
     - name: journal
       mountPath: /var/log/journal
       readOnly: true
   
-    - name: positions
-      mountPath: /run/promtail
-  
   # Tolerations to run on all nodes
   tolerations:
     - effect: NoSchedule