Remove extraneous log

Author: Vignesh Raja

core-httpclient-impl/src/main/java/com/optimizely/ab/event/AsyncEventHandler.java

@@ -112,7 +112,6 @@ public void run() {
                 try {
                     LogEvent event = logEventQueue.take();
                     HttpGet request = generateRequest(event);
-                    logger.info("dispatching event: {}", request.toString());
                     httpClient.execute(request, EVENT_RESPONSE_HANDLER);
                 } catch (InterruptedException e) {
                     logger.info("terminating event dispatcher event loop");