fix(tabs): remove superfluous href from tabs template

Author: pkozlowski-opensource

template/tabs/tabs.html

@@ -1,7 +1,7 @@
 <div class="tabbable">
   <ul class="nav nav-tabs">
     <li ng-repeat="pane in panes" ng-class="{active:pane.selected}">
-      <a href="" ng-click="select(pane)">{{pane.heading}}</a>
+      <a ng-click="select(pane)">{{pane.heading}}</a>
     </li>
   </ul>
   <div class="tab-content" ng-transclude></div>