Remove some unused variables and properties

tgalopin · tgalopin · commit 03a7d88d7b03 · 2017-12-08T16:14:47.000+01:00
diff --git a/Store/MemcachedStore.php b/Store/MemcachedStore.php
@@ -24,12 +24,6 @@
  */
 class MemcachedStore implements StoreInterface
 {
-    private static $defaultClientOptions = array(
-        'persistent_id' => null,
-        'username' => null,
-        'password' => null,
-    );
-
     private $memcached;
     private $initialTtl;
     /** @var bool */
