Remove extra HTML attribute

examples/leaderboard/.meteor/versions

@@ -23,6 +23,7 @@ id-map@1.0.1
 insecure@1.0.1
 jquery@1.0.1
 json@1.0.1
+launch-screen@1.0.0
 livedata@1.0.11
 logging@1.0.4
 meteor-platform@1.1.2

examples/leaderboard/leaderboard.html

@@ -31,7 +31,7 @@
 </template>
 
 <template name="player">
-  <li class="player {{selected}}" data-name="{{name}}">
+  <li class="player {{selected}}">
     <span class="name">{{name}}</span>
     <span class="score">{{score}}</span>
   </li>