Important

Remove methods for converting resources to have internal/customer firewalls, assuming internal firewalls always exist, and update tests accordingly.

• Behavior:
  • Removes methods for converting Postgres resources and Kubernetes clusters to have internal and customer firewalls in kubernetes_cluster.rb and postgres_resource.rb.
  • Assumes internal firewalls always exist, simplifying related logic.
• Code Simplification:
  • Removes conditional checks for the existence of internal firewalls in kubernetes_cluster.rb, postgres_resource.rb, and nexus classes.
  • Updates destroy methods in nexus classes to directly destroy internal firewalls without conditional checks.
• Tests:
  • Updates test cases in postgres_resource_spec.rb, kubernetes_cluster_nexus_spec.rb, and postgres_server_nexus_spec.rb to align with the new firewall assumptions.
  • Removes tests related to the conditional existence of internal firewalls.

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