Revert "Add nonblocking mode to multicast for recv_from use"

This reverts commit f9bd07bbf5.

src/network.c

@@ -1094,12 +1094,6 @@ int network_multicast_publisher_start(RIG *rig, const char *multicast_addr,
     }
 
     socket_fd = socket(AF_INET, SOCK_DGRAM, 0);
-    u_long mode = 1; // Enable non-blocking mode
-#ifdef __MINGW32__
-    ioctlsocket(socket_fd, FIONBIO, &mode);
-#else
-    ioctl(socket_fd, FIONBIO, &mode);
-#endif
 
     if (socket_fd < 0)
     {

tests/rigctl_parse.c

@@ -270,7 +270,6 @@ declare_proto_rig(hamlib_version);
 declare_proto_rig(test);
 declare_proto_rig(cm108_get_bit);
 declare_proto_rig(cm108_set_bit);
-declare_proto_rig(set_conf);
 
 
 /*