Issue #1837962 by superspring, chx: Remove dead code from RegisterFormController.

core/modules/user/lib/Drupal/user/RegisterFormController.php

@@ -99,14 +99,10 @@ public function save(array $form, array &$form_state) {
     $admin = $form_state['values']['administer_users'];
     $notify = !empty($form_state['values']['notify']);
 
+    // Save has no return value so this cannot be tested.
+    // Assume save has gone through correctly.
     $account->save();
 
-    // Terminate if an error occurred while saving the account.
-    if ($status =! SAVED_NEW) {
-      drupal_set_message(t("Error saving user account."), 'error');
-      $form_state['redirect'] = '';
-      return;
-    }
     $form_state['user'] = $account;
     $form_state['values']['uid'] = $account->uid;