module_template.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the custom module.
 */

/**
 * Implements hook_uninstall().
 */
function module_template_uninstall($is_syncing) {
  $config = \Drupal::configFactory()
    ->getEditable('module_template.settings');

  if (is_object($config)) {
    $config->delete();
  }
}