hosts: remove vaulttest01

Test host no longer needed.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

terraform/vault/hosts-generated.tf

@@ -5,12 +5,6 @@
 # Each host gets access to its own secrets under hosts/<hostname>/*
 locals {
   generated_host_policies = {
-    "vaulttest01" = {
-      paths = [
-        "secret/data/hosts/vaulttest01/*",
-      ]
-    }
-
   }
 
   # Placeholder secrets - user should add actual secrets manually or via tofu