lib/nixosSystem.nix: Wrap nixpkgs.lib.nixosSystem and include nixfiles modules and overlays by default

flake/nixosConfigurations.nix

@@ -10,29 +10,13 @@ let
     group ? null,
     modules ? [],
   }: let
-    localNixpkgs = import ./nixpkgs.nix inputs;
-  in nixpkgs.lib.nixosSystem {
+  in self.lib.nixosSystem {
     system = system;
-    pkgs = localNixpkgs.${system};
     modules = modules ++ [
-      self.nixosModules.nixfilesInputs
-      self.nixosModules.clerie
-      self.nixosModules.profiles
-
       ({ config, lib, ... }: {
         # Set hostname
         networking.hostName = lib.mkDefault name;
 
-        /*
-          Make the contents of the flake availiable to modules.
-          Useful for having the monitoring server scraping the
-          target config from all other servers automatically.
-        */
-        _module.args = {
-          inputs = inputs;
-          _nixfiles = self;
-        };
-
         # Expose host group to monitoring
         clerie.monitoring = nixpkgs.lib.attrsets.optionalAttrs (group != null) { serviceLevel = group; };