server: OS specific handling of 0.0.0.0 and ::

src/serverconn.cpp

@@ -386,15 +386,6 @@ ServIface::ServIface(const SockAddr &addr, server::Server::Pvt *server, bool fal
     server->acceptor_loop.assertInLoop();
     auto orig_port = bind_addr.port();
 
-#ifdef __linux__
-    if(evsocket::canIPv6 && bind_addr.family()==AF_INET && bind_addr.isAny()) {
-        // Linux IP stack disallows binding both 0.0.0.0 and [::] for the same port.
-        // so promote to IPv6 when possible
-        bind_addr = SockAddr::any(AF_INET6, bind_addr.port());
-        log_debug_printf(connsetup, "Promote 0.0.0.0 -> [::]%s", "\n");
-    }
-#endif
-
     sock = evsocket(bind_addr.family(), SOCK_STREAM, 0);
 
     if(evutil_make_listen_socket_reuseable(sock.sock))