Remove confusing cleaning up step for circuit-breaking and mirroring (#2830)

content/docs/tasks/traffic-management/circuit-breaking/index.md

@@ -264,7 +264,3 @@ one connection and request concurrently, you should see some failures when the
     $ kubectl delete deploy httpbin fortio-deploy
     $ kubectl delete svc httpbin
     {{< /text >}}
-
-1. If you are not planning to explore any follow-on tasks, refer to the
-   [Bookinfo cleanup](/docs/examples/bookinfo/#cleanup) instructions
-   to shutdown the application.

content/docs/tasks/traffic-management/mirroring/index.md

@@ -264,7 +264,3 @@ log entries for `v1` and none for `v2`:
     $ kubectl delete deploy httpbin-v1 httpbin-v2 sleep
     $ kubectl delete svc httpbin
     {{< /text >}}
-
-1. If you are not planning to explore any follow-on tasks, refer to the
-  [Bookinfo cleanup](/docs/examples/bookinfo/#cleanup) instructions
-  to shutdown the application.

content_zh/docs/tasks/traffic-management/circuit-breaking/index.md

@@ -246,5 +246,3 @@ keywords: [流量管理,熔断]
     $ kubectl delete deploy httpbin fortio-deploy
     $ kubectl delete svc httpbin
     {{< /text >}}
-
-1. 如果您不打算探索任何后续任务，请参阅 [Bookinfo 清理](/zh/docs/examples/bookinfo/#清理)说明以关闭应用程序。

content_zh/docs/tasks/traffic-management/mirroring/index.md

@@ -252,5 +252,3 @@ keywords: [流量管理,镜像]
     $ kubectl delete deploy httpbin-v1 httpbin-v2 sleep
     $ kubectl delete svc httpbin
     {{< /text >}}
-
-1. 如果您不打算探索任何后续任务，请参阅 [Bookinfo 清理](/zh/docs/examples/bookinfo/#清理) 的说明去关闭应用程序。