Address warnings + cleanup

nixos/configuration.nix

@@ -8,43 +8,17 @@
   pkgs,
   ...
 }: {
-  # You can import other NixOS modules here
   imports = [
-    # If you want to use modules your own flake exports (from modules/nixos):
-    # outputs.nixosModules.example
-
-    # Or modules from other flakes (such as nixos-hardware):
-    # inputs.hardware.nixosModules.common-cpu-amd
-    # inputs.hardware.nixosModules.common-ssd
-
-    # You can also split up your configuration and import pieces of it here:
-    # ./users.nix
-
-    # Import your generated (nixos-generate-config) hardware configuration
     ./hardware-configuration.nix
   ];
 
   nixpkgs = {
-    # You can add overlays here
     overlays = [
-      # Add overlays your own flake exports (from overlays and pkgs dir):
       outputs.overlays.additions
       outputs.overlays.modifications
       outputs.overlays.unstable-packages
-
-      # You can also add overlays exported from other flakes:
-      # neovim-nightly-overlay.overlays.default
-
-      # Or define it inline, for example:
-      # (final: prev: {
-      #   hi = final.hello.overrideAttrs (oldAttrs: {
-      #     patches = [ ./change-hello-to-hi.patch ];
-      #   });
-      # })
     ];
-    # Configure your nixpkgs instance
     config = {
-      # Disable if you don't want unfree packages
       allowUnfree = true;
     };
   };
@@ -103,19 +77,13 @@
   services.printing.enable = true;
 
   # Enable sound with pipewire.
-  hardware.pulseaudio.enable = false;
+  services.pulseaudio.enable = false;
   security.rtkit.enable = true;
   services.pipewire = {
     enable = true;
     alsa.enable = true;
     alsa.support32Bit = true;
     pulse.enable = true;
-    # If you want to use JACK applications, uncomment this
-    #jack.enable = true;
-
-    # use the example session manager (no others are packaged yet so this is enabled by default,
-    # no need to redefine it in your config for now)
-    #media-session.enable = true;
   };
 
   # Install firefox.