Use this snippet to have incompatible selections completely hidden, instead of greyed-out, when using Scenarios.

woocommerce-composites-hide-incompatible-component-options.php

<?php
/**
 * Plugin Name: WooCommerce Composite Products - Hide Component Options Disabled by Scenarios
 * Plugin URI: https://woocommerce.com/products/composite-products/
 * Description: Use this snippet to have incompatible selections completely hidden, instead of greyed-out, when using Scenarios.
 * Version: 1.0
 * Author: SomewhereWarm
 * Author URI: https://somewherewarm.gr/
 * Developer: Manos Psychogyiopoulos
 *
 * Requires at least: 3.8
 * Tested up to: 5.3
 *
 * Copyright: © 2017-2020 SomewhereWarm SMPC ([email protected]).
 * License: GNU General Public License v3.0
 * License URI: http://www.gnu.org/licenses/gpl-3.0.html
 */
 
// To use this snippet, download this file into your plugins directory and activate it, or copy the code under this line into the functions.php file of your (child) theme.

add_filter( 'woocommerce_component_options_hide_incompatible', 'wc_cp_component_options_hide_incompatible', 10, 3 );

function wc_cp_component_options_hide_incompatible( $hide, $component_id, $composite ) {
	return true;
}

Thank you! Worked when i uploaded the file, and activated it in the plugins section!