no reload on timelog delete

Please refer to https://docs.angularjs.org/api/ng/directive/ngHref for
the different combinations of href, ng-href and ng-click within an a
tag.

app/views/timelog/_list.html.erb

@@ -59,7 +59,7 @@ See doc/COPYRIGHT.rdoc for more details.
           <a ng-href="{{PathHelper.timeEntryEditPath(timeEntry.id)}}" class="no-decoration-on-hover">
             <icon-wrapper icon-name="edit" icon-title="{{I18n.t('js.button_edit')}}"></icon-wrapper>
           </a>
-          <a ng-click="deleteTimeEntry(timeEntry.id)" href="#" class="no-decoration-on-hover">
+          <a ng-click="deleteTimeEntry(timeEntry.id)" href="" class="no-decoration-on-hover">
             <icon-wrapper icon-name="delete" icon-title="{{I18n.t('js.button_delete')}}"></icon-wrapper>
           </a>
         </span>