function minisite_uninstall in Mini site 8
Implements hook_uninstall().
File
- ./minisite.install, line 17 
- Contains install and update functions for Minisite.
Code
function minisite_uninstall() {
  // Remove the minisite directory and generated files.
  if (file_exists(Minisite::getCommonArchiveDir())) {
    \Drupal::service('file_system')
      ->deleteRecursive(Minisite::getCommonArchiveDir());
  }
  if (file_exists(Minisite::getCommonAssetDir())) {
    \Drupal::service('file_system')
      ->deleteRecursive(Minisite::getCommonAssetDir());
  }
}