To hide the bundle items list on a product, add the following CSS code to your store settings.
Site Settings > Design > Custom Styles
To hide bundle items across all products on the store, add the following CSS:
.bundle-group-list {
display: none;
}
To hide bundle items on a specific product, add the following CSS (where 000000 is replaced by the product ID you want to hide bundle items on).
#product-000000 .bundle-group-list {
display: none;
}
To hide a specific bundle item, add the following CSS (where 000000 is replaced by the specific product format ID you want to hide from the bundle item list).
#bundle-option-000000 {
display: none;
}