Revert "update nautobot to use CockroachDB"

This reverts commit 1d34a35.

Turns out: nautobot requires some of the edgecases that CockroachDB does
not support.
See [#31632](cockroachdb/cockroach#31632)

kustomize/bases/nautobot/helm-values.yaml

@@ -7,17 +7,6 @@ nautobot:
  - name: "CSRF_COOKIE_SECURE"
  value: "True"
 
- db:
- engine: "django.db.backends.postgresql"
- #existingSecret: "nautobot-env"
- #existingSecretPasswordKey: "NAUTOBOT_DB_PASSWORD"
- host: "cockroachdb-public.cockroachdb.svc.cluster.local"
- name: "nautobot"
- port: 26257
- timeout: 300
- user: "nautobot"
- password: "foobar2342"
-
 ingress:
  enabled: true
  ingressClassName: "nginx"
@@ -52,7 +41,4 @@ postgresql:
 
 redis:
  auth:
- password: "foobar2342"
-
-postgresql:
- enabled: false
+ password: "foobar2342"

kustomize/overlays/nautobot/secret-generator.yaml

@@ -4,5 +4,5 @@ metadata:
  name: oauth2-proxy
 files:
  - ./redis.secret.yaml
- # - ./postgres.secret.yaml
+ - ./postgres.secret.yaml
  - ./nautobot-env.secret.yaml