switch to plasma

hosts/laptop/configuration.nix

@@ -55,10 +55,11 @@
 
   services = {
     hardware.bolt = {enable = false;};
-    xserver = {
-      displayManager.gdm.enable = true;
-      desktopManager.gnome.enable = true;
+    displayManager.sddm = {
+      enable = true;
+      wayland.enable = true;
     };
+    desktopManager.plasma6.enable = true;
     pipewire = {
       enable = true;
       alsa.enable = true;
@@ -189,20 +190,6 @@
     systemPackages = with pkgs; [
 config.boot.kernelPackages.perf
     ];
-    gnome.excludePackages = (with pkgs; [
-      atomix # puzzle game
-      cheese # webcam tool
-      epiphany # web browser
-      geary # email reader
-      gedit # text editor
-      gnome-characters
-      gnome-music
-      gnome-photos
-      gnome-tour
-      hitori # sudoku game
-      iagno # go game
-      tali # poker game
-    ]);
   };
 
   systemd.sleep.extraConfig = ''