ns1: recreate with OpenTofu workflow

Old VM had incorrect hardware-configuration.nix with hardcoded UUIDs
that didn't match actual disk layout, causing boot failure (emergency mode).

Recreated using template2-based configuration for OpenTofu provisioning.

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

terraform/vault/approle.tf

@@ -67,12 +67,6 @@ locals {
     }
 
     # Wave 3: DNS servers
-    "ns1" = {
-      paths = [
-        "secret/data/hosts/ns1/*",
-        "secret/data/shared/dns/*",
-      ]
-    }
 
     # Wave 4: http-proxy
     "http-proxy" = {