Remove nixng dependency

flake.lock

@@ -789,27 +789,6 @@
         "type": "github"
       }
     },
-    "nixng": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1726571270,
-        "narHash": "sha256-LEug48WOL+mmFYtKM57e/oudgjBk2Km5zIP3p27hF8I=",
-        "owner": "pizzapim",
-        "repo": "NixNG",
-        "rev": "9538892da603608f0176d07d33b1265e038c0adf",
-        "type": "github"
-      },
-      "original": {
-        "owner": "pizzapim",
-        "ref": "dnsmasq",
-        "repo": "NixNG",
-        "type": "github"
-      }
-    },
     "nixos-artwork": {
       "flake": false,
       "locked": {
@@ -1113,7 +1092,6 @@
         "lanzaboote": "lanzaboote",
         "nix-index-database": "nix-index-database",
         "nix-snapshotter": "nix-snapshotter",
-        "nixng": "nixng",
         "nixos-artwork": "nixos-artwork",
         "nixos-facter-modules": "nixos-facter-modules",
         "nixos-hardware": "nixos-hardware",