chore: cleanup artifactory3 mess (#196)

attempted to let claude deploy a new version of artifactory with
terrible results. this change is to remove that mess so I can start
again.

---------

Co-authored-by: Ben Vincent <ben@unkin.net>
Reviewed-on: #196

apps/base/artifactapi/cnpg_pooler.yaml

@@ -1,33 +0,0 @@
----
-apiVersion: postgresql.cnpg.io/v1
-kind: Pooler
-metadata:
-  name: artifactapi-postgres-pooler
-  namespace: artifactapi
-spec:
-  cluster:
-    name: artifactapi-postgres
-  instances: 2
-  pgbouncer:
-    parameters:
-      default_pool_size: "100"
-      max_client_conn: "400"
-    paused: false
-    poolMode: session
-  template:
-    metadata:
-      labels:
-        app: artifactapi-pooler
-    spec:
-      affinity:
-        podAntiAffinity:
-          requiredDuringSchedulingIgnoredDuringExecution:
-            - labelSelector:
-                matchExpressions:
-                  - key: app
-                    operator: In
-                    values:
-                      - artifactapi-pooler
-              topologyKey: kubernetes.io/hostname
-      containers: []
-  type: rw