[speech-to-text] integration test code cleanup

Author: germanattanasio

src/test/java/com/ibm/watson/developer_cloud/speech_to_text/v1/SpeechToTextIT.java

@@ -203,7 +203,7 @@ public void onError(Exception e) {
       public void onMessage(SpeechResults speechResults) {
         if (speechResults != null && speechResults.isFinal()) {
           asyncResults = speechResults;
-          System.out.println(speechResults);
+          // System.out.println(speechResults);
           lock.countDown();
         }
       }