Remove some links from the WooCommerce My Account sidebar navigation if user is level 4.

remove_woocommerce_account_menu_items.php

<?php
/**
 * Remove some links from the WooCommerce My Account sidebar navigation if user is level 4.
 *
 * @param  array $endpoints The array of items in the account menu.
 */
function remove_woocommerce_account_menu_items( $endpoints ) {
	$level = pmpro_getMembershipLevelForUser();
	if ( esc_attr( $level->ID ) === '4' ) {
		unset( $endpoints['edit-account'] );
		unset( $endpoints['orders'] );
		unset( $endpoints['edit-address'] );
	}
	return $endpoints;
}
add_filter( 'woocommerce_account_menu_items', 'remove_woocommerce_account_menu_items' );