fix: move functions-registry configmap from kustomize to skaffold rawYaml

Kustomize refuses to load resources outside its directory tree (security
sandbox). The configmap at generated/functions-configmap.yaml is already
included via skaffold.yaml rawYaml for all profiles, so remove it from
kustomization.yaml.

Author: Anmol1696

k8s/overlays/local-simple/kustomization.yaml

@@ -12,8 +12,6 @@ resources:
   - ./pg-secret.yaml
   - ./mailgun-secret.yaml
   - ./server-bucket-secret.yaml
-  # Functions registry (generated by pnpm generate)
-  - ../../../generated/functions-configmap.yaml
   # Constructive servers + db setup
   - ./constructive-server.yaml
   - ./constructive-server-admin.yaml