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/marpa/default.nix

@@ -14,9 +14,9 @@ in {
       m.loader
       m.plymouth
       m.hyprland
-      # m.niri
       m.waydroid
-      m.xserver
+      m.gnome
+      m.amdgpu
       m.docker
       m.qemu
       m.bluetooth
@@ -72,7 +72,6 @@ in {
 
     mySystem = {
       boot = {
-        plymouth.enable = true;
         kernel = {
           cpuVendor = "amd";
           v4l2loopback.enable = true;
@@ -82,38 +81,21 @@ in {
         };
         systemd-boot = true;
       };
-      desktop = {
-        hyprland.enable = true;
-        niri.enable = true;
-        waydroid.enable = true;
-        xserver = {
-          enable = true;
-          de = "gnome";
-        };
-      };
+      desktop.xserver.videoDrivers = ["amdgpu"];
       dev = {
         docker = {
           enable = true;
           podman.enable = true;
           autoprune.enable = true;
         };
-        qemu.enable = true;
       };
       hardware = {
-        amdgpu.enable = true;
-        bluetooth.enable = true;
-        input = {
-          corne.allowHidAccess = true;
-          opentablet.enable = true;
-        };
         sound = {
-          enable = true;
           noisetorch = true;
           jack = true;
           scarlett.enable = true;
         };
       };
-      i18n.input.enable = true;
       misc.keymap = "fr-bepo";
       networking = {
         hostname = "marpa";
@@ -126,11 +108,7 @@ in {
           }
         ];
       };
-      packages = {
-        appimage.enable = true;
-        flatpak.enable = true;
-        nix.nix-ld.enable = true;
-      };
+      packages.nix.nix-ld.enable = true;
       services = {
         fwupd.enable = true;
         harmonia = {