public final void delete(final T object, final DynamoDBDeleteExpression deleteExpression) {
        mapper.delete(object, deleteExpression);
    }
Deletes the given object from its DynamoDB table using the specified
deleteExpression.
@param object The object to delete.
@param deleteExpression The delete expression.
@see com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapper#delete
aws-java-sdk-dynamodb/src/main/java/com/amazonaws/services/dynamodbv2/datamodeling/DynamoDBTableMapper.java