message: Improve PID file removing errors logging
diff: @@ -262,9 +262,11 @@ void Shutdown(InitInterfaces& interfaces)
  #ifndef WIN32
  try {
  - fs::remove(GetPidFile());
  + if (!fs::remove(GetPidFile())) {
  + LogPrintf("%s: Unable to remove PID file: File does not exist\n", __func__);
  + }
  } catch (const fs::filesystem_error& e) {
  - LogPrintf("%s: Unable to remove pidfile: %s\n", __func__, e.what());
  + LogPrintf("%s: Unable to remove PID file: %s\n", __func__, e.what());
  }
  #endif
  interfaces.chain_clients.clear();
  