Remove unused import.

Author: markstory

src/Command/WorkerCommand.php

@@ -25,7 +25,6 @@
 use Cake\Queue\Consumption\QueueExtension;
 use Cake\Queue\Queue\Processor;
 use Cake\Queue\QueueManager;
-use Enqueue\SimpleClient\SimpleClient;
 use Psr\Log\LoggerInterface;
 use Psr\Log\NullLogger;