terragrunt: clean and sort arguments

lib was already imported so no need for stdenv.lib
sorted arguments into order of use

pkgs/applications/networking/cluster/terragrunt/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, lib, buildGoModule, fetchFromGitHub, terraform, makeWrapper }:
+{ lib, buildGoModule, fetchFromGitHub, makeWrapper, terraform }:
 
 buildGoModule rec {
   pname = "terragrunt";
@@ -24,7 +24,7 @@ buildGoModule rec {
       --set TERRAGRUNT_TFPATH ${lib.getBin terraform.full}/bin/terraform
   '';
 
-  meta = with stdenv.lib; {
+  meta = with lib; {
     description = "A thin wrapper for Terraform that supports locking for Terraform state and enforces best practices";
     homepage = "https://github.com/gruntwork-io/terragrunt/";
     license = licenses.mit;