Hello @mashaku,
Thank you very much for buying the addon.
For your information, you will not be able to remove the default fields. You will be only able to edit the label but not the field. But you will be able to add/remove/delete the newly added field.
For more clear information please refer to the official documentation below:
https://wptravel.io/documentations/wp-travel-field-editor/
Also, the plugin has already provided the filter using which you will be able to completely remove the field.
function test_fields( $fields ) {
unset( $fields['billing_fields'] );
return $fields;
}
add_filter( 'wp_travel_checkout_fields', 'test_fields' );
Hope this helps.
Thank you.