function plt_hide_frontend_uploader_menus() {
//Hide the "Media → Manage UGC" menu.
remove_submenu_page('upload.php', 'manage_frontend_uploader');
//Hide the "Settings → Frontend Uploader Settings" menu.
remove_submenu_page('options-general.php', 'fu_settings');
}
add_action('admin_menu', 'plt_hide_frontend_uploader_menus', 11);