Simple plugin to override earlier filter set to hide Git Updater Settings

show-gu-settings.php

<?php
/**
 * Plugin Name: Show Git Updater Settings
 * Description: Override hiding of Git Updater Settings. Use only for debugging/testing. Someone set this for a good reason.
 * Plugin URI: https://gist.github.com/afragen/290703613c50dab70dd06992c23cdfe0
 * Author: Andy Fragen
 * Author URI: https://github.com/afragen
 * Version: 0.1
 * Requires PHP: 5.6
 * Requires at least: 5.2
 * Gist Plugin URI: https://gist.github.com/afragen/290703613c50dab70dd06992c23cdfe0
 */

add_filter( 'gu_hide_settings', '__return_false', 9999 );