How to Hide Laundry pickup & delivery Service for WooCommerce Admin Menus

function plt_hide_woo_laundry_pickup_delivery_service_menus() {
	//Hide the "WCLaundry Service" menu.
	remove_menu_page('byclaundryservice_settings');
	//Hide the "WCLaundry Service → WCLaundry Service" menu.
	remove_submenu_page('byclaundryservice_settings', 'byclaundryservice_settings');
	//Hide the "WCLaundry Service → Holiday settings" menu.
	remove_submenu_page('byclaundryservice_settings', 'byconsolewoospd_holiday_settings');
}

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

Where do I put this code?