How to Hide Multi-Admin Log Admin Menus

function plt_hide_multi_admin_log_menus() {
	//Hide the "Multi-Admin Logs" menu.
	remove_menu_page('multiadminlog');
	//Hide the "Multi-Admin Logs → All Logs" menu.
	remove_submenu_page('multiadminlog', 'multiadminlog');
	//Hide the "Multi-Admin Logs → Add Log" menu.
	remove_submenu_page('multiadminlog', 'multiadminlog_addnew');
}

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

Where do I put this code?