Move callback classRemove outside of the loop

Closes #3200706

core/lib/Drupal/Core/Database/Driver/mysql/Connection.php

@@ -5,6 +5,7 @@
 use Drupal\Core\Database\DatabaseAccessDeniedException;
 use Drupal\Core\Database\IntegrityConstraintViolationException;
 use Drupal\Core\Database\DatabaseExceptionWrapper;
+use Drupal\Core\Database\StatementInterface;
 use Drupal\Core\Database\StatementWrapper;
 use Drupal\Core\Database\Database;
 use Drupal\Core\Database\DatabaseNotFoundException;