Drop flake parts

Use native nix functions to speed up and reduce complexity

nix/nixosModules/default.nix

@@ -1,11 +1,16 @@
 {
   self,
-  inputs,
-  lib,
-  modulesFromDir,
-  mergeAttrsWith,
   ...
-}:
+}@inputs:
+
+let
+  inherit (self.lib)
+    modulesFromDir
+    mergeAttrsWith
+    ;
+
+  inherit (inputs.nixpkgs) lib;
+in
 
 let
   # generic modules that can be enabled on all devices
@@ -51,11 +56,9 @@ let
   }) (modulesFromDir ./named);
 in
 
-{
-  flake.nixosModules = lib.mergeAttrsList [
-    { commonModules.imports = lib.attrValues common; }
-    common
-    extra
-    named
-  ];
-}
+lib.mergeAttrsList [
+  { commonModules.imports = lib.attrValues common; }
+  common
+  extra
+  named
+]