public static function remove_variations()
{
check_ajax_referer('delete-variations', 'security');
if (current_user_can('edit_products')) {
$variation_ids = (array) $_POST['variation_ids'];
foreach ($variation_ids as $variation_id) {
if ('product_variation' === get_post_type($variation_id)) {
$variation = wc_get_product($variation_id);
$variation->delete();
}
}
}
die(-1);
}