Removed unnecessary @var annotation

Author: Ocramius

src/Check/Memcached.php

@@ -69,7 +69,6 @@ public function check()
             $memcached->addServer($this->host, $this->port);
 
             $startTime = microtime(true);
-            /** @var false|array<string, false|array<string, int|string>> $stats */
             $stats        = @$memcached->getStats();
             $responseTime = microtime(true) - $startTime;