code style

Author: Nyholm

FilesystemCachePool.php

@@ -14,7 +14,6 @@
 use Cache\Adapter\Common\AbstractCachePool;
 use Cache\Adapter\Common\Exception\InvalidArgumentException;
 use Cache\Adapter\Common\PhpCacheItem;
-use Cache\Taggable\TaggableItemInterface;
 use Cache\Taggable\TaggablePoolInterface;
 use Cache\Taggable\TaggablePoolTrait;
 use League\Flysystem\FileExistsException;