clanServices: users -> remove isNormalUser option, set automatically

nix fmt

clanServices/users/default.nix

@@ -11,7 +11,7 @@
 
   roles.default = {
     interface =
-      { config, lib, ... }:
+      { lib, ... }:
       {
         options = {
           user = lib.mkOption {
@@ -37,23 +37,6 @@
               - `clan vars get <machine-name> <name-of-password-variable>`
             '';
           };
-          regularUser = lib.mkOption {
-            type = lib.types.bool;
-            default = config.user != "root";
-            defaultText = lib.literalExpression "config.user != \"root\"";
-            example = false;
-            description = ''
-              Whether the user should be a regular user or a system user.
-
-              Regular users are normal users that can log in and have a home directory.
-
-              System users are used for system services and do not have a home directory.
-
-              !!! Warning
-                  `root` cannot be a regular user.
-                  You must set this to `false` for `root`
-            '';
-          };
           groups = lib.mkOption {
             type = lib.types.listOf lib.types.str;
             default = [ ];
@@ -91,7 +74,7 @@
           }:
           {
             users.users.${settings.user} = {
-              isNormalUser = settings.regularUser;
+              isNormalUser = if settings.user == "root" then false else true;
               extraGroups = settings.groups;
 
               hashedPasswordFile =