resholve: fix build on aarch64-darwin

pkgs/development/misc/resholve/default.nix

@@ -16,13 +16,11 @@ let
     self = python27';
     pkgsBuildHost = pkgsBuildHost // { python27 = python27'; };
     # strip down that python version as much as possible
-    openssl = null;
     bzip2 = null;
     readline = null;
     ncurses = null;
     gdbm = null;
     sqlite = null;
-    libffi = null;
     rebuildBytecode = false;
     stripBytecode = true;
     strip2to3 = true;