Merge pull request #179 from mit-cml/bobparks-patch-8

Update ball_bounce.html

yr/tutorials/ball_bounce.html

@@ -170,7 +170,7 @@ <h4>Extend your app</h4>
 
 
 <div id="serverTutorialId" style="display:none;">1</div>
-<img src="http://code.org/api/hour/begin_mit_ballbounce.png">
+
 </body>
 <script src="../../scripts/tabHandler.js"></script>
 <script src="../../scripts/tutorialPage.js"></script>