Remove retransmit check for RS232 bridge in logTx

Since the flag is preserved and respected by the mesh processing on the receiving end, there's no risk of these packets being retransmitted endlessly.

examples/simple_repeater/main.cpp

@@ -309,9 +309,7 @@ protected:
   }
   void logTx(mesh::Packet* pkt, int len) override {
 #ifdef WITH_RS232_BRIDGE
-    if (!pkt->isMarkedDoNotRetransmit()) {
     bridge->onPacketTransmitted(pkt);
-    }
 #endif
     if (_logging) {
       File f = openAppend(PACKET_LOG_FILE);