SM-14 Remove unnecessary setMulticastInterface from transmitter

src/muebtransmitter_p.h

@@ -23,8 +23,6 @@ class MuebTransmitterPrivate {
         datagram_(QByteArray(), configuration_.target_address(),
                   configuration_.animation_port()),
         q_ptr(transmitter) {
-    socket_.setMulticastInterface(configuration_.multicast_interface());
-
     qInfo().noquote()
         << QString("[MuebTransmitter] UDP Socket will send frame to %2:%3")
                .arg(configuration_.target_address().toString())