How to Hide Conversios.io - Product Feed Manager for WooCommerce Admin Menus

function plt_hide_product_feed_manager_for_woocommerce_menus() {
	//Hide "Product Feed".
	remove_menu_page('conversiospfm');
	//Hide "Product Feed → Channel Configuration".
	remove_submenu_page('conversiospfm', 'conversiospfm');
	//Hide "Product Feed → Manage Campaign".
	remove_submenu_page('conversiospfm', 'convpfm-pmax');
	//Hide "Product Feed → Account Summary".
	remove_submenu_page('conversiospfm', 'convpfm-account');
	//Hide "Product Feed → Free Vs Pro".
	remove_submenu_page('conversiospfm', 'convpfm-pricings');
}

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

Where do I put this code?