How to Hide the "WPAdmin AWS4" Admin Menu

function plt_hide_wpadmin_backup_to_aws4_menus() {
	//Hide the "WPAdmin AWS4" menu.
	remove_menu_page('wpa-aws4');
}

add_action('admin_menu', 'plt_hide_wpadmin_backup_to_aws4_menus', 11);

Where do I put this code?