Linting fixes to improve quality report

lms/static/js/learner_dashboard/spec/program_details_sidebar_view_spec.js

@@ -52,7 +52,7 @@ describe('Program Progress View', () => {
     model: programModel,
     courseModel: courseData,
     certificateCollection,
-    programRecordUrl: '/foo/bar'
+    programRecordUrl: '/foo/bar',
   });
 
   beforeEach(() => {

lms/static/js/learner_dashboard/views/unenroll_view.js

@@ -101,7 +101,7 @@ class UnenrollView extends Backbone.View {
     this.mainPageSelector = '#dashboard-main';
 
     this.triggerSelector = '.action-unenroll';
-    $(this.triggerSelector).each(function attachTriggerHandler(index, element) {
+    $(this.triggerSelector).each((index, element) => {
       $(element).on('click', view.handleTrigger.bind($(element)));
     });