Remove aria-required attributes from Genesis comment form

functions.php

<?php

add_filter( 'genesis_comment_form_args', 'child_remove_aria_required' );
/**
 * Remove aria-required attributes from comment form.
 *
 * @author Gary Jones
 * @link http://code.garyjones.co.uk/remove-aria-required-attribute/
 *
 * @param array $args Comment form arguments.
 *
 * @return array Amended arguments
 */
function child_remove_aria_required( $args ) {

	$args = str_replace( ' aria-required="true"', '', $args );
	$args[fields] = str_replace( ' aria-required="true"', '', $args[fields] );
	$args[fields] = str_replace( " aria-required='true'", '', $args[fields] ); // Genesis <= 1.3

	return $args;

}