Removed unused methods from queue repository

app/src/main/java/com/cappielloantonio/play/database/dao/QueueDao.java

@@ -20,15 +20,9 @@ public interface QueueDao {
     @Query("SELECT * FROM song JOIN queue ON song.id = queue.id")
     List<Song> getAllSimple();
 
-    @Insert(onConflict = OnConflictStrategy.REPLACE)
-    void insert(Queue songQueueObject);
-
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     void insertAll(List<Queue> songQueueObject);
 
-    @Delete
-    void delete(Queue songQueueObject);
-
     @Query("DELETE FROM queue WHERE queue.track_order = :position")
     void deleteByPosition(int position);