How to Hide MW Local AI Connector Admin Menus

function plt_hide_mw_local_ai_connector_menus() {
	//Hide the "Settings → Local AI" menu.
	remove_submenu_page('options-general.php', 'mwlai');
	//Hide the "Settings → Actual Computer" menu.
	remove_submenu_page('options-general.php', 'mwlai-actual-computer');
}

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

Where do I put this code?