How to Hide WP Affiliate Manager Admin Menus

function plt_hide_affiliates_manager_menus() {
	//Hide "Affiliates".
	remove_menu_page('wpam-affiliates');
	//Hide "Affiliates → My Affiliates".
	remove_submenu_page('wpam-affiliates', 'wpam-affiliates');
	//Hide "Affiliates → New Affiliate".
	remove_submenu_page('wpam-affiliates', 'wpam-newaffiliate');
	//Hide "Affiliates → My Creatives".
	remove_submenu_page('wpam-affiliates', 'wpam-creatives');
	//Hide "Affiliates → PayPal Mass Pay".
	remove_submenu_page('wpam-affiliates', 'wpam-payments');
	//Hide "Affiliates → Settings".
	remove_submenu_page('wpam-affiliates', 'wpam-settings');
	//Hide "Affiliates → Admin Functions".
	remove_submenu_page('wpam-affiliates', 'wpam-admin-functions');
	//Hide "Affiliates → Manage Payouts".
	remove_submenu_page('wpam-affiliates', 'wpam-manage-payouts');
	//Hide "Affiliates → Click Tracking".
	remove_submenu_page('wpam-affiliates', 'wpam-clicktracking');
	//Hide "Affiliates → Commissions".
	remove_submenu_page('wpam-affiliates', 'wpam-commission');
	//Hide "Affiliates → Add-ons".
	remove_submenu_page('wpam-affiliates', 'wpam-addons');
}

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

Where do I put this code?