Inventory/modules: use explicit roles only

clanModules/admin/default.nix

@@ -1,20 +1,6 @@
-{ lib, config, ... }:
+# Dont import this file
+# It is only here for backwards compatibility.
+# Dont author new modules with this file.
 {
-  options.clan.admin = {
-    allowedKeys = lib.mkOption {
-      default = { };
-      type = lib.types.attrsOf lib.types.str;
-      description = "The allowed public keys for ssh access to the admin user";
-      example = {
-        "key_1" = "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQD...";
-      };
-    };
-  };
-  imports = [
-    ../sshd
-    ../root-password
-  ];
-  config = {
-    users.users.root.openssh.authorizedKeys.keys = builtins.attrValues config.clan.admin.allowedKeys;
-  };
+  imports = [ ./roles/default.nix ];
 }