message: doc: Remove outdated comments
  They are outdated since
diff: @@ -862,8 +862,6 @@ bool AppInitParameterInteraction(const ArgsManager& args)
  nUserMaxConnections = args.GetArg("-maxconnections", DEFAULT_MAX_PEER_CONNECTIONS);
  nMaxConnections = std::max(nUserMaxConnections, 0);
  - // Trim requested connection counts, to fit into system limitations
  - // <int> in std::min<int>(...) to work around FreeBSD compilation issue described in #2695
  nFD = RaiseFileDescriptorLimit(nMaxConnections + MIN_CORE_FILEDESCRIPTORS + MAX_ADDNODE_CONNECTIONS + nBind + NUM_FDS_MESSAGE_CAPTURE);
  #ifdef USE_POLL
  