Issue #3042999: Remove unused use statement.

core/modules/system/src/Form/ModulesListForm.php

@@ -2,7 +2,6 @@
 
 namespace Drupal\system\Form;
 
-use Drupal\Component\Utility\Unicode;
 use Drupal\Core\Config\PreExistingConfigException;
 use Drupal\Core\Config\UnmetDependenciesException;
 use Drupal\Core\Access\AccessManagerInterface;