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>

flake.nix

@@ -65,15 +65,6 @@
     in
     {
       nixosConfigurations = {
-        ns1 = nixpkgs.lib.nixosSystem {
-          inherit system;
-          specialArgs = {
-            inherit inputs self;
-          };
-          modules = commonModules ++ [
-            ./hosts/ns1
-          ];
-        };
         ha1 = nixpkgs.lib.nixosSystem {
           inherit system;
           specialArgs = {
@@ -182,6 +173,15 @@
             ./hosts/ns2
           ];
         };
+        ns1 = nixpkgs.lib.nixosSystem {
+          inherit system;
+          specialArgs = {
+            inherit inputs self;
+          };
+          modules = commonModules ++ [
+            ./hosts/ns1
+          ];
+        };
       };
       packages = forAllSystems (
         { pkgs }: