chore: cleanup r10k cache (#28)

g10k hardlinks, so reqires that the cache and code be in the same pvc.
updated r10k repository with cachedir in same pvc, and so now I can
remove these unused pvcs from argo.

unkin/puppet-r10k#4

Reviewed-on: #28

apps/base/puppet/cronjob_g10k-code.yaml

@@ -87,8 +87,6 @@ spec:
               volumeMounts:
                 - mountPath: /etc/puppetlabs/code/
                   name: puppet-code-volume
-                - mountPath: /opt/puppetlabs/cache/
-                  name: puppet-cache-volume
                 - mountPath: /shared
                   name: shared-config
           restartPolicy: OnFailure
@@ -98,9 +96,6 @@ spec:
             - name: puppet-code-volume
               persistentVolumeClaim:
                 claimName: puppetserver-code-shared
-            - name: puppet-cache-volume
-              persistentVolumeClaim:
-                claimName: puppetserver-cache
             - name: shared-config
               persistentVolumeClaim:
                 claimName: puppetserver-shared-config