message: net: remove unused set
diff: @@ -98,9 +98,6 @@ limitedmap<CInv, int64_t> mapAlreadyAskedFor(MAX_INV_SZ);
  static std::deque<std::string> vOneShots;
  RecursiveMutex cs_vOneShots;
  -std::set<CNetAddr> setservAddNodeAddresses;
  -RecursiveMutex cs_setservAddNodeAddresses;
  -
  std::vector<std::string> vAddedNodes;
  RecursiveMutex cs_vAddedNodes;
  