refactor: change to litterate config

Configuration is now held by the `.org` files. All `.nix` files are
tangled from the org-mode files.

modules/hosts/pinetab2/default.nix

@@ -6,10 +6,8 @@ in {
       m.system-default
       m.sops-system
       m.hyprland
-      m.niri
       m.waydroid
-      m.xserver
-      m.amdgpu
+      m.gnome
       m.docker
       m.bluetooth
       m.opentablet
@@ -24,40 +22,20 @@ in {
     system.stateVersion = "25.11";
 
     mySystem = {
-      desktop = {
-        hyprland.enable = true;
-        niri.enable = true;
-        waydroid.enable = true;
-        xserver = {
-          enable = true;
-          de = "gnome";
-        };
-      };
       dev.docker = {
         enable = true;
         podman.enable = true;
         autoprune.enable = true;
       };
-      hardware = {
-        bluetooth.enable = true;
-        input.opentablet.enable = true;
-        pinetab2.enable = true;
-        sound.enable = true;
-      };
-      i18n.input.enable = true;
       misc.keymap = "fr-bepo";
       networking = {
         hostname = "pinetab2";
         id = "99a11b15";
         wifi.disablePowersave = true;
       };
-      packages = {
-        appimage.enable = true;
-        flatpak.enable = true;
-        nix = {
-          gc.automatic = true;
-          nix-ld.enable = true;
-        };
+      packages.nix = {
+        gc.automatic = true;
+        nix-ld.enable = true;
       };
       services.ssh.enable = true;
       users = {