function plt_hide_selz_ecommerce_menus() {
//Hide the "Selz" menu.
remove_menu_page('selz');
//Hide the "Selz → Settings" menu.
remove_submenu_page('selz', 'selz');
//Hide the "Selz → Help" menu.
remove_submenu_page('selz', 'selz_help');
}
add_action('admin_menu', 'plt_hide_selz_ecommerce_menus', 11);