fix: remove extra line

Author: filippovskii09

src/courseware/course/Course.test.jsx

@@ -58,7 +58,6 @@ describe('Course', () => {
     global.innerWidth = breakpoints.extraLarge.minWidth;
   });
 
-
   // This was passing when it shouldn't have been because of improper
   // waitFor use. With the React 18 upgrade it no longer improperly passes
   // so we are skipping it. See https://github.com/openedx/frontend-app-learning/issues/1669