Deleted useless code.

Author: limingxinleo

src/Pool/RedisPool.php

@@ -49,9 +49,6 @@ public function __construct(ContainerInterface $container, string $name)
         parent::__construct($container, $options);
     }
 
-    /**
-     * @return string
-     */
     public function getName(): string
     {
         return $this->name;

tests/Stub/RedisConnectionStub.php

@@ -47,17 +47,11 @@ public function select($db)
         $this->db = $db;
     }
 
-    /**
-     * @return array
-     */
     public function getConfig(): array
     {
         return $this->config;
     }
 
-    /**
-     * @return null|int
-     */
     public function getDatabase(): ?int
     {
         return $this->database;