pkgs/data, pkgs/games: [sS]tdenv.*lib -> lib

pkgs/data/machine-learning/mnist/default.nix

@@ -1,4 +1,4 @@
-{ stdenvNoCC, fetchurl }:
+{ lib, stdenvNoCC, fetchurl }:
 let
   srcs = {
     train-images = fetchurl {
@@ -30,7 +30,7 @@ in
       ln -s "${srcs.test-labels}" "$out/${srcs.test-labels.name}"
     '';
     phases = [ "installPhase" ];
-    meta = with stdenvNoCC.lib; {
+    meta = with lib; {
       description = "A large database of handwritten digits";
       longDescription = ''
         The MNIST database (Modified National Institute of Standards and