Remove unnecessary config

lib/modules/i18n.nix

@@ -1,11 +1,9 @@
-{ lib, config, ... }:
+{ lib, ... }:
   let
     inherit (lib)
       mkOption
       types
     ;
-
-    cfg = config.i18n;
   in {
     options = {
       i18n = {
@@ -14,15 +12,6 @@
           description = "The system wide locale settings";
           default = {};
         };
-
-        locales = mkOption {
-          type = types.listOf types.str;
-          description = "The locales of the system";
-        };
       };
     };
-
-    config = {
-      i18n.locales = builtins.attrValues cfg.localeSettings;
-    };
   }