function plt_hide_live_chat_by_oggflow_menus() {
//Hide the "Settings → OggFlow Settings" menu.
remove_submenu_page('options-general.php', 'live-chat-by-oggflow');
//Hide the "OggFlow" menu.
remove_menu_page('OGGFLOW_dashboard');
}
add_action('admin_menu', 'plt_hide_live_chat_by_oggflow_menus', 11);