refactor: remove adb custom module

nixosModules/adb/default.nix

@@ -1,27 +0,0 @@
-{
-  config,
-  lib,
-  ...
-}: let
-  inherit (lib) mkIf mkOption types;
-
-  cfg = config.programs.adb;
-in {
-  options.programs.adb = {
-    user = mkOption {
-      type = types.str;
-      default = "root";
-      description = ''
-        The name of the user who is going to interact with
-        the android devices.
-      '';
-    };
-  };
-
-  config = mkIf cfg.enable {
-    users.users.${cfg.user}.extraGroups = ["adbusers"];
-  };
-
-  # For accurate stack trace
-  _file = ./default.nix;
-}

nixosModules/default.nix

@@ -1,5 +1,4 @@
 self: {
-  adb = import ./adb;
   borgbackup = import ./borgbackup;
   desktop = import ./desktop self;
   docker = import ./docker self.inputs.khepri;

nixosModules/server/sshd.nix

@@ -18,6 +18,7 @@ in {
       };
     };
 
+    # FIXME: Move to mkNixOS
     users.users.${cfg.user} = {
       openssh.authorizedKeys.keys = [
         "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPE39uk52+NIDLdHeoSHIEsOUUFRzj06AGn09z4TUOYm matt@OP9"