Code cleanup

app/src/main/java/com/cappielloantonio/play/ui/fragment/LibraryFragment.java

@@ -51,7 +51,6 @@ public class LibraryFragment extends Fragment {
     private AlbumAdapter albumAdapter;
     private ArtistAdapter artistAdapter;
     private GenreAdapter genreAdapter;
-    private PlaylistAdapter playlistAdapter;
 
     private PlaylistHorizontalAdapter playlistHorizontalAdapter;