rust style consolidation

configuration.nix

@@ -2,7 +2,7 @@
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running ‘nixos-help’).
 
-{ config, pkgs, inputs, ... }:
+{ pkgs, inputs, ... }:
 
 {
   imports = [ inputs.home-manager.nixosModules.default ];
@@ -78,10 +78,10 @@
     #media-session.enable = true;
   };
 
-  # Enable touchpad support (enabled default in most desktopManager).
-  # services.xserver.libinput.enable = true;
-  nix.settings.experimental-features = [ "nix-command" "flakes" ];
-  nix.settings.auto-optimise-store = true;
+  nix.settings = {
+    experimental-features = [ "nix-command" "flakes" ];
+    auto-optimise-store = true;
+  };
 
   programs.nix-ld.enable = true;
   # programs.nix-ld.libraries = with pkgs; [