changes before turning into a flake

download_hs/default.nix

@@ -1,12 +0,0 @@
-let pkgs = import <nixpkgs> { };
-in pkgs.haskellPackages.developPackage {
-  root = ./.;
-  modifier = drv:
-    pkgs.haskell.lib.addBuildTools drv (with pkgs.haskellPackages; [
-      cabal-install
-      ghcid
-      haskell-language-server
-      fourmolu
-      regex
-    ]);
-}