move all certs to automatic issuer

bootstrap/apps/kustomization-stirling-pdf.yaml

@@ -1,19 +0,0 @@
-apiVersion: kustomize.toolkit.fluxcd.io/v1
-kind: Kustomization
-metadata:
-  name: stirling-pdf
-  namespace: flux-system
-spec:
-  interval: 15m
-  path: ./apps/stirling-pdf
-  prune: true # remove any elements later removed from the above path
-  wait: true
-  sourceRef:
-    kind: GitRepository
-    name: flux-system
-  decryption:
-    provider: sops
-    secretRef:
-      name: sops-age
-  dependsOn:
-    - name: infra-configs