Remove deprecated codes (#5812)

Author: huangdijia

src/RedisProxy.php

@@ -24,14 +24,4 @@ public function __construct(PoolFactory $factory, string $pool)
 
         $this->poolName = $pool;
     }
-
-    /**
-     * @deprecated since version 3.1
-     * @param string $name
-     * @param array $arguments
-     */
-    public function __call($name, $arguments)
-    {
-        return parent::__call($name, $arguments);
-    }
 }