How to Hide W2P: Pipedrive CRM Integration for WooCommerce Admin Menus

function plt_hide_w2p_pipedrive_crm_integration_for_woocommerce_menus() {
	//Hide the "W2P" menu.
	remove_menu_page('w2p-settings');
}

add_action('admin_menu', 'plt_hide_w2p_pipedrive_crm_integration_for_woocommerce_menus', 11);

Where do I put this code?