#woocommerce Eliminar tipos de productos en el selector de opciones

functions.php

<?php 

function fla_remove_product_types( $types ){
    unset( $types['grouped'] );
    unset( $types['external'] );
    unset( $types['variable'] );
    unset( $types['simple'] );
    unset( $types['downloads'] );

    return $types;
}
add_filter( 'product_type_selector', 'fla_remove_product_types' );