How to Hide the "Tracker Control" Admin Menu

function plt_hide_ilmenite_cookie_consent_menus() {
	//Hide the "Settings → Tracker Control" menu.
	remove_submenu_page('options-general.php', 'ilcc-trackers');
}

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

Where do I put this code?