nodePackages: regenerate with node2nix 1.9.0

pkgs/development/compilers/elm/packages/generate-node-packages.sh

@@ -10,6 +10,4 @@ $(nix-build $ROOT -A nodePackages.node2nix --no-out-link)/bin/node2nix \
     -i node-packages.json \
     -o node-packages.nix \
     -c node-composition.nix \
-    # TODO: Switch to the commented out version once nodejs package set gets updated to new node2nix
-    -e node-env.nix
-    # --no-copy-node-env -e ../../../node-packages/node-env.nix
+    --no-copy-node-env -e ../../../node-packages/node-env.nix