fix: remove extra mock and regenerate package-lock

src/courseware/data/pact-tests/lmsPact.test.jsx

@@ -36,19 +36,6 @@ describe('Courseware Service', () => {
     mergeConfig({
       LMS_BASE_URL: 'http://localhost:8081',
     }, 'Custom app config for pact tests');
-
-    // Mock Intl.DateTimeFormat to return a consistent timezone across all environments
-    // This ensures that the browser_timezone query parameter matches the pact file
-    const OriginalDateTimeFormat = Intl.DateTimeFormat;
-    jest.spyOn(Intl, 'DateTimeFormat').mockImplementation((...args) => {
-      const dtf = new OriginalDateTimeFormat(...args);
-      const originalResolvedOptions = dtf.resolvedOptions.bind(dtf);
-      dtf.resolvedOptions = () => ({
-        ...originalResolvedOptions(),
-        timeZone: 'Asia/Karachi',
-      });
-      return dtf;
-    });
   });
 
   describe('When a request to get a learning sequence outline is made', () => {