replace statix with deadnix

statix does sometimes weird stuff while deadnix is even better at finding deadcode

flake.nix

@@ -60,14 +60,14 @@
           name = "format";
           runtimeInputs = with pkgs; [
             nixpkgs-fmt
-            statix
             deno
+            deadnix
           ];
           text = ''
             set -o xtrace
             nixpkgs-fmt "$@"
-            statix fix "$@"
             deno fmt "$@"
+            deadnix --edit "$@"
           '';
         }
       );

lib/tests.nix

@@ -86,7 +86,7 @@ let
         tsp-config = tsp-generator.config testConfigBooted;
         num-disks = builtins.length (lib.attrNames testConfigBooted.disko.devices.disk);
 
-        installed-system = { modulesPath, ... }: {
+        installed-system = { ... }: {
           imports = [
             (lib.optionalAttrs (testMode == "direct") tsp-config)
             (lib.optionalAttrs (testMode == "module") {
@@ -149,7 +149,7 @@ let
       makeTest' {
         name = "disko-${name}";
 
-        nodes.machine = { pkgs, modulesPath, ... }: {
+        nodes.machine = { pkgs, ... }: {
           imports = [
             (lib.optionalAttrs (testMode == "module") {
               imports = [

lib/types/btrfs.nix

@@ -68,7 +68,7 @@
       internal = true;
       readOnly = true;
       type = lib.types.functionTo diskoLib.jsonType;
-      default = dev: { };
+      default = _dev: { };
       description = "Metadata";
     };
     _create = diskoLib.mkCreateOption {