remove an unnecessary line

src/client/js/components/Fab.jsx

@@ -60,7 +60,6 @@ const Fab = (props) => {
 
   return (
     <div className="grw-fab d-none d-md-block">
-
       {currentUser != null && renderEditorButton()}
       <div className={`rounded-circle position-absolute ${animateClasses}`} style={{ bottom: 0, right: 0 }}>
         <button type="button" className="btn btn-light btn-scroll-to-top rounded-circle p-0" onClick={() => navigationContainer.smoothScrollIntoView()}>