How to Hide Bible SuperSearch Admin Menus

function plt_hide_biblesupersearch_menus() {
	//Hide the "Bible SuperSearch" menu.
	remove_menu_page('biblesupersearch');
	//Hide the "Bible SuperSearch → Settings" menu.
	remove_submenu_page('biblesupersearch', 'biblesupersearch');
	//Hide the "Bible SuperSearch → Documentation" menu.
	remove_submenu_page('biblesupersearch', 'biblesupersearch_docs');
}

add_action('admin_menu', 'plt_hide_biblesupersearch_menus', 11);

Where do I put this code?