Remove unused packges

shell.nix

@@ -1,25 +1,11 @@
 { pkgs ? import <nixpkgs> { } }:
-let
-  nix-refactor = pkgs.writeShellScriptBin "nix-refactor" ''
-    origin=$(${pkgs.coreutils-full}/bin/readlink /run/current-system)
-    result=$(${pkgs.lib.getExe pkgs.nixos-rebuild} build && ${pkgs.coreutils-full}/bin/readlink result)
-    ${pkgs.diffutils}/bin/diff -q <(echo "$origin" ) <(echo "$result")
-    rm ./result
-  '';
-in
 pkgs.mkShell {
   name = "nixosbuildshell";
   nativeBuildInputs = with pkgs; [
     git
     nixFlakes
-    nix-refactor
     python3
-    python310Packages.autopep8
-    python310Packages.black
-    python310Packages.flake8
-    python310Packages.jedi
-    python310Packages.pip
-    python310Packages.yapf
+    python310Packages.pylint
     vim
   ];