Fix user definition places

- define userlist in machine
- define metadata in common/users.nix
- define options and settings in modules/users.nix

common/users.nix

@@ -3,9 +3,6 @@ with lib; {
   config = {
     elss = {
       users = {
-        enable = true;
-        admiins = [ "ellmau" ];
-        users = [ ];
         meta = {
           ellmau = {
             description = "Stefan Ellmauthaler";

machines/stel-xps/default.nix

@@ -1,6 +1,17 @@
 { config, pkgs, ...}:
 {
-  imports = [ ./printer.nix ];
+
+  elss = {
+    users = {
+      enable = true;
+      admins = [ "ellmau" ];
+      users = [ ];
+    };
+  };
+  imports = [
+    ../../common/users.nix
+    ./printer.nix
+  ];
 
   variables = {
     hostName = "stel-xps";

modules/users.nix

@@ -4,20 +4,6 @@ with lib; {
   options.elss.users = {
     enable = mkEnableOption "elss specific user configuration";
 
-    commonUserFile = mkOption {
-      type = types.attrsOf
-        (types.submodule{
-          options = {
-            enable = mkEnableOption "use a common file of users";
-            fileLoc = mkOption {
-              description = "path to the file of users";
-              type = types.path;
-              default = ../common/users.nix;
-            };
-          };
-        });
-    };
-
     users = mkOption {
       description = "logins of non-admin users to configure";
       type = types.listOf types.str;