realised how self' is supposed to work and removed all stdenv bullshit

modules/features/kitty/default.nix

@@ -1,30 +1,26 @@
 {
-  self,
-  inputs,
+  wrappers,
+  moduleWithSystem,
   ...
 }: {
-  flake.nixosModules.kitty = {
-    pkgs,
-    lib,
-    ...
-  }: {
-    environment.systemPackages = [
-      self.packages.${pkgs.stdenv.hostPlatform.system}.kitty
-    ];
-  };
-  perSystem = {
-    pkgs,
-    lib,
-    self',
-    ...
-  }: {
+  flake.nixosModules.kitty = moduleWithSystem (
+    {
+      pkgs,
+      self',
+    }: {
+      environment.systemPackages = with self'.packages; [
+        kitty
+      ];
+    }
+  );
+  perSystem = {pkgs, ...}: {
     packages.kitty = let
       fira-mono = pkgs.nerd-fonts.fira-mono;
       fontsConf = pkgs.makeFontsConf {
         fontDirectories = [fira-mono];
       };
     in
-      inputs.wrappers.wrappers.kitty.wrap {
+      wrappers.wrappers.kitty.wrap {
         inherit pkgs;
         environment = {
           "FONTCONFIG_FILE" = "${fontsConf}";