refactor(machine): bind system and use inputs.* for packages

machine.nix

@@ -1,12 +1,11 @@
 {
   pkgs,
   inputs,
-  system,
-  zen-browser,
   ...
 }:
 let
   packages = import ./packages.nix { inherit pkgs; };
+  system = pkgs.system;
 in
 {
   imports = [
@@ -25,7 +24,7 @@ in
 
   environment.systemPackages = packages.system ++ [
     inputs.helium.packages.${system}.default
-    zen-browser.packages.${system}.default
+    inputs.zen-browser.packages.${system}.default
     inputs.noctalia.packages.${system}.default
     inputs.copetch.packages.${system}.default
   ];
@@ -35,15 +34,4 @@ in
     "/share/icons"
     "/share/mime"
   ];
-
-  fonts = {
-    packages = with pkgs; [
-      nerd-fonts.jetbrains-mono
-      nerd-fonts.caskaydia-cove
-      noto-fonts-cjk-sans
-      inputs.apple-fonts.packages.${system}.sf-pro
-      inputs.apple-fonts.packages.${system}.sf-mono
-    ];
-    fontDir.enable = true;
-  };
 }