home: add nix formatter to packages

home/home.nix

@@ -27,15 +27,15 @@ in
 
     asciinema # record the terminal
     neofetch # command-line system information
-    alacritty
 
     # tools
     xh # friendly and fast tool for sending HTTP requests
     fd # a simple, fast and user-friendly alternative to find
     bat # a cat clone with syntax highlighting and git integration
 
-    # haskell
-    stylish-haskell # formatter
+    # formatters
+    stylish-haskell # for haskell
+    nixpkgs-fmt # for nix
 
     # browser
     librewolf # a fork of firefox, focused on privacy, security and freedom

shell.nix

@@ -2,7 +2,6 @@
 
 pkgs.mkShell {
   nativeBuildInputs = with pkgs; [
-    nixpkgs-fmt
     stylua
   ];
 }