fix(modal): Remove unnecessary/obsolete ng-click from window template

fixes #105

Author: jbrowning

template/modal/window.html

@@ -1,5 +1,4 @@
 <div tabindex="-1" class="reveal-modal fade {{ windowClass }}"
-  ng-class="{in: animate}" ng-click="close($event)"
-  style="display: block; visibility: visible">
+  ng-class="{in: animate}" style="display: block; visibility: visible">
   <div ng-transclude></div>
 </div>