function plt_hide_editoria11y_accessibility_checker_menus() {
//Hide the "Settings → Editoria11y" menu.
remove_submenu_page('options-general.php', 'ed11y');
//Hide the "Editoria11y" menu.
remove_menu_page('editoria11y-accessibility-checker/src/admin.php');
}
add_action('admin_menu', 'plt_hide_editoria11y_accessibility_checker_menus', 11);