find /eos/home-s/spalluot/www/HHbbtautau/Run2_resonant -type d | while read dir; do
  if [ "$(ls -A "$dir" | wc -l)" -eq 1 ] && [ -f "$dir/index.php" ]; then
      rm "$dir/index.php" && rmdir "$dir"
      echo "Deleted: $dir"
  fi
done