Remove Gutenberg style sheet from loading with the Genesis Framework.

functions.php

<?php
// Do NOT include the opening php tag.

// Remove Gutenberg style sheet from loading.
add_action( 'wp_enqueue_scripts', 'athk_remove_gutenberg_style_sheet', 200 );
function athk_remove_gutenberg_style_sheet() {

    wp_dequeue_style( 'wp-block-library' );
    wp_deregister_style( 'wp-block-library' );
   
}