fix: remove support for the legacy courseware pages

Access to learners for these pages has been removed, so we don't
need to keep any support for it around. Simplifies some code paths.

src/instructor-toolbar/InstructorToolbar.jsx

@@ -36,14 +36,6 @@ function getStudioUrl(courseId, unitId) {
   return urlFull;
 }
 
-function getLegacyWebUrl(canViewLegacyCourseware, courseId, unitId) {
-  if (!canViewLegacyCourseware || !unitId) {
-    return undefined;
-  }
-
-  return `${getConfig().LMS_BASE_URL}/courses/${courseId}/jump_to/${unitId}?experience=legacy`;
-}
-
 export default function InstructorToolbar(props) {
   // This didMount logic became necessary once we had a page that does a redirect on a quick exit.
   // As a result, it unmounts the InstructorToolbar (which will be remounted by the new component),
@@ -62,12 +54,10 @@ export default function InstructorToolbar(props) {
   const {
     courseId,
     unitId,
-    canViewLegacyCourseware,
     tab,
   } = props;
 
   const urlInsights = getInsightsUrl(courseId);
-  const urlLegacy = getLegacyWebUrl(canViewLegacyCourseware, courseId, unitId);
   const urlStudio = getStudioUrl(courseId, unitId);
   const [masqueradeErrorMessage, showMasqueradeError] = useState(null);
 
@@ -81,17 +71,12 @@ export default function InstructorToolbar(props) {
           <div className="align-items-center flex-grow-1 d-md-flex mx-1 my-1">
             <MasqueradeWidget courseId={courseId} onError={showMasqueradeError} />
           </div>
-          {(urlLegacy || urlStudio || urlInsights) && (
+          {(urlStudio || urlInsights) && (
             <>
               <hr className="border-light" />
               <span className="mr-2 mt-1 col-form-label">View course in:</span>
             </>
           )}
-          {urlLegacy && (
-            <span className="mx-1 my-1">
-              <a className="btn btn-inverse-outline-primary" href={urlLegacy}>Legacy experience</a>
-            </span>
-          )}
           {urlStudio && (
             <span className="mx-1 my-1">
               <a className="btn btn-inverse-outline-primary" href={urlStudio}>Studio</a>
@@ -128,13 +113,11 @@ export default function InstructorToolbar(props) {
 InstructorToolbar.propTypes = {
   courseId: PropTypes.string,
   unitId: PropTypes.string,
-  canViewLegacyCourseware: PropTypes.bool,
   tab: PropTypes.string,
 };
 
 InstructorToolbar.defaultProps = {
   courseId: undefined,
   unitId: undefined,
-  canViewLegacyCourseware: undefined,
   tab: '',
 };

src/instructor-toolbar/InstructorToolbar.test.jsx

@@ -34,7 +34,6 @@ describe('Instructor Toolbar', () => {
     mockData = {
       courseId: courseware.courseId,
       unitId: Object.values(models.units)[0].id,
-      canViewLegacyCourseware: true,
     };
     axiosMock.reset();
     axiosMock.onGet(masqueradeUrl).reply(200, { success: true });
@@ -63,32 +62,6 @@ describe('Instructor Toolbar', () => {
     getConfig.mockImplementation(() => config);
     render(<InstructorToolbar {...mockData} />);
 
-    const linksContainer = screen.getByText('View course in:').parentElement;
-    ['Legacy experience', 'Studio', 'Insights'].forEach(service => {
-      expect(getByText(linksContainer, service).getAttribute('href')).toMatch(/http.*/);
-    });
-  });
-
-  it('displays links to view course in available services - false legacy courseware flag', () => {
-    const config = { ...originalConfig };
-    config.INSIGHTS_BASE_URL = 'http://localhost:18100';
-    getConfig.mockImplementation(() => config);
-    mockData.canViewLegacyCourseware = false;
-    render(<InstructorToolbar {...mockData} />);
-
-    const linksContainer = screen.getByText('View course in:').parentElement;
-    ['Studio', 'Insights'].forEach(service => {
-      expect(getByText(linksContainer, service).getAttribute('href')).toMatch(/http.*/);
-    });
-  });
-
-  it('displays links to view course in available services - empty unit', () => {
-    const config = { ...originalConfig };
-    config.INSIGHTS_BASE_URL = 'http://localhost:18100';
-    getConfig.mockImplementation(() => config);
-    mockData.unitId = undefined;
-    render(<InstructorToolbar {...mockData} />);
-
     const linksContainer = screen.getByText('View course in:').parentElement;
     ['Studio', 'Insights'].forEach(service => {
       expect(getByText(linksContainer, service).getAttribute('href')).toMatch(/http.*/);