How to Hide FooGallery Admin Menus

function plt_hide_foogallery_menus() {
	//Hide "FooGallery".
	remove_menu_page('edit.php?post_type=foogallery');
	//Hide "FooGallery → Galleries".
	remove_submenu_page('edit.php?post_type=foogallery', 'edit.php?post_type=foogallery');
	//Hide "FooGallery → Add Gallery".
	remove_submenu_page('edit.php?post_type=foogallery', 'post-new.php?post_type=foogallery');
	//Hide "FooGallery → Activation".
	remove_submenu_page('edit.php?post_type=foogallery', 'foogallery-optin');
	//Hide "FooGallery → Settings".
	remove_submenu_page('edit.php?post_type=foogallery', 'foogallery-settings');
	//Hide "FooGallery → Features".
	remove_submenu_page('edit.php?post_type=foogallery', 'foogallery-features');
	//Hide "FooGallery → Help".
	remove_submenu_page('edit.php?post_type=foogallery', 'foogallery-help');
	//Hide "FooGallery → System Info".
	remove_submenu_page('edit.php?post_type=foogallery', 'foogallery-systeminfo');
	//Hide "FooGallery → Add-Ons".
	remove_submenu_page('edit.php?post_type=foogallery', 'foogallery-addons');
	//Hide "FooGallery → Upgrade".
	remove_submenu_page('edit.php?post_type=foogallery', 'foogallery-pricing');
}

add_action('admin_menu', 'plt_hide_foogallery_menus', 1000000000);
Where do I put this code?