Get rid of unnecessary speech logs from ChromeVox

chrome/browser/resources/chromeos/chromevox/chromevox/injected/console_tts.js

Index: chrome/browser/resources/chromeos/chromevox/chromevox/injected/console_tts.js
diff --git a/chrome/browser/resources/chromeos/chromevox/chromevox/injected/console_tts.js b/chrome/browser/resources/chromeos/chromevox/chromevox/injected/console_tts.js
index 00abb033a1ca240a0f5df51f17e29389a0a00dfb..306ab27741849f4a5473165bc8c4553a3c343dd5 100644
--- a/chrome/browser/resources/chromeos/chromevox/chromevox/injected/console_tts.js
+++ b/chrome/browser/resources/chromeos/chromevox/chromevox/injected/console_tts.js
@@ -42,14 +42,6 @@ cvox.ConsoleTts.prototype.speak = function(textString, queueMode, properties) {
     }
     logStr += ' "' + textString + '"';
     window['console']['log'](logStr);
-
-    if (properties && properties['startCallback'] != undefined) {
-      window.console.log('  using startCallback');
-    }
-
-    if (properties && properties['endCallback'] != undefined) {
-      window.console.log('  using endCallback');
-    }
   }
   return this;
 };