Remove unused use statement. (#406)

Norman Kämper-Leymann · webflo · commit 24f29be11ebc · 2018-06-28T19:00:17.000+02:00
diff --git a/drush/Commands/PolicyCommands.php b/drush/Commands/PolicyCommands.php
@@ -3,7 +3,6 @@
 namespace Drush\Commands;
 
 use Consolidation\AnnotatedCommand\CommandData;
-use Drush\Commands\DrushCommands;
 
 /**
  * Edit this file to reflect your organization's needs.
