Revert "mkMirroredModulesFlakeModule: add isHomeModule when evaluating"

This reverts commit a28bf6559f.

flake.nix

@@ -44,13 +44,9 @@
     mkOptionalListOfType = type: nixpkgs.lib.types.either (type) (nixpkgs.lib.types.listOf (type));
 
     mkMirroredModulesFlakeModule = moduleName: func: {
-      flake.nixosModules.${moduleName} = let
-        isHomeModule = false;
-      in func;
+      flake.nixosModules.${moduleName} = func;
 
-      flake.homeModules.${moduleName} = let
-        isHomeModule = true;
-      in func;
+      flake.homeModules.${moduleName} = func;
     };
   };
 }