function migrate_update_8001 in Drupal 8

Remove load plugin references from existing migrations.

File

core/modules/migrate/migrate.install, line 11

Contains install and update functions for Migrate.

Code

function migrate_update_8001() {
  $config_factory = \Drupal::configFactory();
  foreach ($config_factory
    ->listAll('migrate.migration.') as $migration_config_name) {
    $migration = $config_factory
      ->getEditable($migration_config_name);
    $migration
      ->clear('load');
    $migration
      ->save(TRUE);
  }
}