iap: removed incorrect UART debug messages

iap/User/main.c

@@ -127,10 +127,7 @@ void main(void)
   loadMode = RTC_ReadBackupRegister(RTC_BKP_DR1);
   bootTry = RTC_ReadBackupRegister(RTC_BKP_DR2);
   fInvalidFw = RTC_ReadBackupRegister(RTC_BKP_DR7);
-  printf("loadMode: %d\r\nbootTry: %d\r\n", loadMode, bootTry);
-
-  printf("loadMode: %d\r\n", loadMode);
-  printf("loadMode: %d\r\n", bootTry);
+  printf("\r\nloadMode: %d\r\nbootTry: %d\r\n", loadMode, bootTry);
   printf("fInvalidFw: %s\r\n", fInvalidFw ? "true" : "false");
   
   if (bootTry > 1) {