function plt_hide_events_in_gozo_menus() {
//Hide the "Events in Gozo" menu.
remove_menu_page('events-in-gozo-plugin');
//Hide the "Settings → Events in Gozo" menu.
remove_submenu_page('options-general.php', 'events-in-gozo-plugin');
}
add_action('admin_menu', 'plt_hide_events_in_gozo_menus', 11);