Revert "Introduce patchShebangsPhase ran in preConfigurePhases"

This reverts commit 512fbb280f.

See #5368

pkgs/development/libraries/zeitgeist/default.nix

@@ -21,6 +21,8 @@ stdenv.mkDerivation rec {
                   libtool python dbus_libs telepathy_glib vala dbus_glib
                   gtk3 json_glib librdf_raptor2 pythonPackages.rdflib ];
 
+  prePatch = "patchShebangs .";
+
   patches = [ ./dbus_glib.patch ];
 
   patchFlags = [ "-p0" ];