message: Useless line in onAccept and should be removed.
  Remove unused variable assignment in ConnectionHandlerImpl::ActiveListener::onAccept
  Risk Level: Low
  Testing: no test
  Docs Changes: no doc change
  Release Notes: no release note
  Fixes:
diff: @@ -207,7 +207,6 @@ void ConnectionHandlerImpl::ActiveSocket::continueFilterChain(bool success) {
  void ConnectionHandlerImpl::ActiveListener::onAccept(
  Network::ConnectionSocketPtr&& socket, bool hand_off_restored_destination_connections) {
  - Network::Address::InstanceConstSharedPtr local_address = socket->localAddress();
  auto active_socket = std::make_unique<ActiveSocket>(*this, std::move(socket),
  hand_off_restored_destination_connections);
  