Simplify system and home options

modules/system/services/server/webserver/ddclient/default.nix

@@ -1,14 +0,0 @@
-{ config, lib, pkgs, ... }:
-{
-  services.ddclient = {
-    enable = config.system.server.enable;
-    protocol = "cloudflare";
-    zone = "${config.domains.p2}";
-    usev6 = "";
-    username = "token";
-    passwordFile = "${pkgs.writeText "cloudflareapikey" config.secrets.flareApiKey}";
-  };
-  environment.persistence."/persist".directories = lib.mkIf config.services.ddclient.enable [
-    "/var/lib/private/ddclient"
-  ];
-}

modules/system/services/server/webserver/default.nix

@@ -1,8 +1,9 @@
 { lib, ... }: 
 {
+  options.system.webserver.enable = lib.mkEnableOption "Enable nginx related services";
+
   imports = [
     ./acme
-    ./ddclient
     ./nginx
   ];
 }