minor cleanup

src/Handler/Utils/Zip/Rating.hs

@@ -123,7 +123,6 @@ parseRating input = do
 extractRatings :: MonadThrow m => (FilePath -> Maybe SubmissionId) -> Conduit File m (Either File (SubmissionId, Rating'))
 extractRatings isRating = void . runMaybeT $ do
   f@(File{..}) <- MaybeT await
-  
   lift $ case () of
     _ | Just sId <- isRating fileTitle
       , Just content' <- fileContent