torque: Patch out attempts to set special bits

pkgs/servers/computing/torque/default.nix

···
 
    for f in $(find ./ -name Makefile.in); do
      echo patching $f...
-     sed -i $f -e '/PBS_MKDIRS/d'
+     sed -i $f -e '/PBS_MKDIRS/d' -e '/chmod u+s/d'
    done
+
   '';
 
   postInstall = ''