Issue #2569605 by phenaproxima, neclimdul, catch: Remove migrations from update path test fixtures

core/modules/block_content/block_content.install

@@ -34,35 +34,8 @@ function block_content_update_8001() {
  * migrations.
  */
 function block_content_update_8002() {
-  if (\Drupal::moduleHandler()->moduleExists('migrate')) {
-    $config = \Drupal::configFactory();
-    $templates = \Drupal::service('migrate.template_storage');
-
-    $migration = $config->getEditable('migrate.migration.d6_block_content_type');
-    if ($migration) {
-      $template = $templates->getTemplateByName('block_content_type');
-      $migration
-        ->set('id', $template['id'])
-        ->set('label', $template['label'])
-        ->set('migration_tags', $template['migration_tags'])
-        ->set('source', array_merge($migration->get('source'), $template['source']))
-        ->clear('source.constants')
-        ->set('process', $template['process'])
-        ->save(TRUE);
-    }
-
-    $migration = $config->getEditable('migrate.migration.d6_block_content_body_field');
-    if ($migration) {
-      $template = $templates->getTemplateByName('block_content_body_field');
-      $migration
-        ->set('id', $template['id'])
-        ->set('label', $template['label'])
-        ->set('migration_tags', $template['migration_tags'])
-        ->set('source', array_merge($migration->get('source'), $template['source']))
-        ->clear('source.constants')
-        ->set('process', $template['process'])
-        ->set('migration_dependencies', $template['migration_dependencies'])
-        ->save(TRUE);
-    }
-  }
+  // Removed in issue #2569605. The Migrate and Migrate Drupal modules are
+  // marked experimental and do not need to support the update path until they
+  // are stable.
+  // @see https://www.drupal.org/node/2569469
 }