message: Remove debug printing in file_system.cc
diff: @@ -146,17 +146,12 @@ Status FileSystem::DeleteRecursively(const string& dirname,
  }
  Status FileSystem::RecursivelyCreateDir(const string& dirname) {
  - std::cerr << "MM: RecursivelyCreateDir(" << dirname << ")\n";
  StringPiece scheme, host, remaining_dir;
  io::ParseURI(dirname, &scheme, &host, &remaining_dir);
  - std::cerr << "MM: scheme=\"" << scheme << "\", host=\"" << host
  - << "\" remaining_dir=\"" << remaining_dir << "\"\n";
  std::vector<StringPiece> sub_dirs;
  while (!remaining_dir.empty()) {
  std::string current_entry = io::CreateURI(scheme, host, remaining_dir);
  - std::cerr << "MM: current_entry=\"" << current_entry << "\"\n";
  Status exists_status = FileExists(current_entry);
  - std::cerr << "MM: exists_status=" << exists_status << "\n";
  if (exists_status.ok()) {
  // FileExists cannot differentiate between existence of a file or a
  // directory, hence we need an additional test as we must not assume that
  