disable console print of incoming telemetry data

src/drivers/frsky_telemetry/frsky_telemetry.c

@@ -345,7 +345,8 @@ static int frsky_telemetry_thread_main(int argc, char *argv[])
 			int nbytes = read(uart, &dbuf[0], sizeof(dbuf));
 			bool new_input = frsky_parse_host(&dbuf[0], nbytes, &host_frame);
 
-			if (new_input) {
+			/* the RSSI value could be useful */
+			if (false && new_input) {
 				warnx("host frame: ad1:%u, ad2: %u, rssi: %u",
 				      host_frame.ad1, host_frame.ad2, host_frame.linkq);
 			}