treewide: remove implicit use of stdenv.lib

pkgs/development/compilers/dmd/binary.nix

@@ -1,10 +1,11 @@
-{ stdenv, fetchurl, curl, tzdata, autoPatchelfHook, fixDarwinDylibNames, glibc
+{ lib, stdenv, fetchurl, curl, tzdata, autoPatchelfHook, fixDarwinDylibNames, glibc
 , version, hashes }:
-with stdenv;
+
 let
+  inherit (stdenv) hostPlatform;
   OS = if hostPlatform.isDarwin then "osx" else hostPlatform.parsed.kernel.name;
   MODEL = toString hostPlatform.parsed.cpu.bits;
-in mkDerivation {
+in stdenv.mkDerivation {
   pname = "dmd-bootstrap";
   inherit version;