Remove some whitespace

src/core/collection/artist.rs

@@ -123,7 +123,6 @@ impl Merge for Artist {
 
         let other_without_id = Artist::merge_albums_by_lib_id(&mut self.albums, other.albums);
         Artist::merge_albums_by_title(&mut self.albums, other_without_id);
-
         self.albums.sort_unstable();
     }
 }