Revert "update 02quickstart.md"

This reverts commit a43b288.

Author: WesleyOne

i18n/en/docusaurus-plugin-content-docs/version-5.0/02-quickStart/02quickstart.md

@@ -103,7 +103,7 @@ We can also try to use the client sdk to send and receive messages, you can see
 3. Create topic by mqadmin cli tools.
 
    ```shell
-   $ sh bin/mqadmin updatetopic -n localhost:9876 -t TestTopic -c DefaultCluster
+   $ sh bin/mqadmin updatetopic -n localhost:9876 -t TestTopic
    ```
 
 4. In the Java project you have created, create a program that sends messages and run it with the following code:

versioned_docs/version-5.0/02-quickStart/02quickstart.md

@@ -105,7 +105,7 @@ $ sh bin/tools.sh org.apache.rocketmq.example.quickstart.Consumer
 3. 通过mqadmin创建 Topic。
 
    ```shell
-   $ sh bin/mqadmin updatetopic -n localhost:9876 -t TestTopic -c DefaultCluster
+   $ sh bin/mqadmin updatetopic -n localhost:9876 -t TestTopic
    ```
 
 4. 在已创建的Java工程中，创建发送普通消息程序并运行，示例代码如下：