treewide: stdenv.lib -> lib

pkgs/desktops/pantheon/apps/elementary-code/default.nix

@@ -79,7 +79,7 @@ stdenv.mkDerivation rec {
   # ctags needed in path by outline plugin
   preFixup = ''
     gappsWrapperArgs+=(
-      --prefix PATH : "${stdenv.lib.makeBinPath [ ctags ]}"
+      --prefix PATH : "${lib.makeBinPath [ ctags ]}"
     )
   '';
 

pkgs/desktops/pantheon/apps/elementary-photos/default.nix

@@ -1,4 +1,4 @@
-{ stdenv
+{ lib, stdenv
 , fetchFromGitHub
 , nix-update-script
 , pantheon
@@ -98,7 +98,7 @@ stdenv.mkDerivation rec {
     patchShebangs meson/post_install.py
   '';
 
-  meta =  with stdenv.lib; {
+  meta =  with lib; {
     description = "Photo viewer and organizer designed for elementary OS";
     homepage = "https://github.com/elementary/photos";
     license = licenses.lgpl21Plus;