remove capability

add_action( 'init', function() {
	$roles = [
		'editor',
		'author'
	];

	$caps = array(
		'publish_posts',
		'publish_pages',
	);

	foreach ( $roles as $role ) {
		$the_role = get_role($role);
		foreach ( $caps as $cap ) {
			$the_role->remove_cap( $cap );
		}
	}
});