How to Hide Photo Portfolio Gallery Admin Menus

function plt_hide_photo_portfolio_gallery_menus() {
	//Hide "WebPace Portfolio".
	remove_menu_page('web_pace_portfolio');
	//Hide "WebPace Portfolio → Portfolios".
	remove_submenu_page('web_pace_portfolio', 'web_pace_portfolio');
	//Hide "WebPace Portfolio → General Options".
	remove_submenu_page('web_pace_portfolio', 'Options_web_pace_portfolio_styles');
	//Hide "WebPace Portfolio → Lightbox Options".
	remove_submenu_page('web_pace_portfolio', 'options_photo_portfolio_lightbox_styles');
	//Hide "WebPace Portfolio → License Page".
	remove_submenu_page('web_pace_portfolio', 'web_pace__portfolio_licensing');
}

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

Where do I put this code?