refactor(gitops): establish platform ownership boundaries

iac/terraform/live/dev-k3s/vault-database/variables.tf

@@ -16,18 +16,6 @@ variable "auth_db_role" {
   default     = "project_auth"
 }
 
-variable "database_config_name" {
-  description = "Vault database connection name."
-  type        = string
-  default     = "platform-postgres-dev"
-}
-
-variable "database_mount_path" {
-  description = "Foundation-owned database secrets mount path."
-  type        = string
-  default     = "database"
-}
-
 variable "postgres_admin_password" {
   description = "PostgreSQL admin password passed only through a write-only provider field."
   type        = string
@@ -53,25 +41,13 @@ variable "postgres_database" {
 }
 
 variable "postgres_host" {
-  description = "Platform PostgreSQL service DNS name."
+  description = "Auth system PostgreSQL service DNS name."
   type        = string
-  default     = "postgres.platform.svc.cluster.local"
-}
-
-variable "postgres_operator_default_ttl_seconds" {
-  description = "Default TTL for operator database credentials."
-  type        = number
-  default     = 3600
-}
-
-variable "postgres_operator_max_ttl_seconds" {
-  description = "Maximum TTL for operator database credentials."
-  type        = number
-  default     = 28800
+  default     = "postgres.auth-system-dev.svc.cluster.local"
 }
 
 variable "postgres_port" {
-  description = "Platform PostgreSQL service port."
+  description = "Auth system PostgreSQL service port."
   type        = number
   default     = 5432
 }