Remove unused files and references

lib/nixos/modules/gnome.nix

@@ -1,11 +0,0 @@
-{ pkgs, ... }:
-
-{
-  services = {
-    displayManager.sddm.enable = true;
-
-    xserver.desktopManager.gnome.enable = true;
-  };
-
-  environment.systemPackages = with pkgs; [ networkmanagerapplet ];
-}

lib/nixos/modules/sway.nix

@@ -1,33 +0,0 @@
-{ inputs, username, ... }:
-{ pkgs, ... }:
-{
-  services.displayManager.defaultSession = "sway";
-
-  programs.sway.enable = true;
-
-  xdg.portal = {
-    enable = true;
-    extraPortals = with pkgs; [ xdg-desktop-portal-wlr ];
-  };
-
-  home-manager.users.${username} =
-    { pkgs, ... }:
-    {
-      home.sessionVariables = {
-        MOZ_ENABLE_WAYLAND = "1";
-        MOZ_USE_XINPUT2 = "1";
-        QT_QPA_PLATFORM = "wayland";
-        SDL_VIDEODRIVER = "wayland";
-        XDG_CURRENT_DESKTOP = "sway";
-        XDG_SESSION_TYPE = "wayland";
-      };
-
-      home.packages = with pkgs; [
-        i3status
-        swaybg
-        wdisplays
-        wl-clipboard
-        wofi
-      ];
-    };
-}