chore(hmcl): remove hack

modules/desktop/gaming/minecraft.nix

@@ -14,16 +14,13 @@ in
 
   config = lib.mkIf cfg.enable {
     my.hm.home.packages = [
-      (pkgs.hmcl.overrideAttrs {
+      pkgs.hmcl
-        postFixup = ''
-          substituteInPlace $out/share/applications/HMCL.desktop --replace-fail 'Exec=hmcl' 'Exec=sh -c "cd ~/.local/share/hmcl; hmcl"'
-        '';
-      })
     ];
 
     my.persist.homeDirs = [
       ".minecraft"
       ".local/share/hmcl"
+      ".hmcl"
     ];
   };
 }