function system_post_update_delete_rss_settings in Drupal 9

Remove obsolete system.rss configuration.

File

core/modules/system/system.post_update.php, line 175

Post update functions for System.

Code

function system_post_update_delete_rss_settings() {
  \Drupal::configFactory()
    ->getEditable('system.rss')
    ->clear('channel')
    ->clear('items.limit')
    ->clear('langcode')
    ->save();
}