remove Tx/Rx debugging from diag_io.c
diff --git a/src/diag_io.c b/src/diag_io.c
index 087eecf..3e6a9df 100644
--- a/src/diag_io.c
+++ b/src/diag_io.c
@@ -149,14 +149,12 @@
 
 	/* transmit the tx message */
 	diag_transmit_msgb(di, tx);
-	printf("Tx, waiting for Rx\n");
 
 	/* blocking loop and process incoming messages until there is
 	 * one for which we don't have a parser registered, let's assume
 	 * that this is our response */
 	while (1) {
 		rx = diag_read_msg(di);
-		printf("Rx, handing off...");
 		if (rx) {
 			rc = diag_process_msg(di, rx);
 			printf("rc = %d\n", rc);