Make `group-list` exports consistent with other components

Just export the component definition rather than an object containing
both the controller and the component definition as a property.

src/sidebar/app.js

@@ -140,7 +140,7 @@ module.exports = angular.module('h', [
   .component('annotationShareDialog', require('./components/annotation-share-dialog'))
   .component('annotationThread', require('./components/annotation-thread'))
   .component('dropdownMenuBtn', require('./components/dropdown-menu-btn'))
-  .component('groupList', require('./components/group-list').component)
+  .component('groupList', require('./components/group-list'))
   .component('helpLink', require('./components/help-link'))
   .component('helpPanel', require('./components/help-panel'))
   .component('loggedoutMessage', require('./components/loggedout-message'))

src/sidebar/components/group-list.js

@@ -34,7 +34,7 @@ function GroupListController($window, groups, settings, serviceUrl) {
   }
 }
 
-var component = {
+module.exports = {
   controller: GroupListController,
   controllerAs: 'vm',
   bindings: {
@@ -42,8 +42,3 @@ var component = {
   },
   template: require('../templates/group_list.html'),
 };
-
-module.exports = {
-  component: component,
-  Controller: GroupListController,
-};

src/sidebar/components/test/group-list-test.js

@@ -17,7 +17,7 @@ describe('groupList', function () {
 
   before(function() {
     angular.module('app', [])
-      .component('groupList', groupList.component)
+      .component('groupList', groupList)
       .factory('groups', function () {
         return fakeGroups;
       });