Merge pull request #161548 from Stunkymonkey/sane-backend-phases

sane-backend: deprecate phases

pkgs/applications/graphics/sane/config.nix

···
 in
 stdenv.mkDerivation {
   name = "sane-config";
-  phases = "installPhase";
+  dontUnpack = true;
 
   installPhase = ''
     function symlink () {