[zh-cn]sync production-environment/_index.md

Signed-off-by: xin.li <xin.li@daocloud.io>

content/zh-cn/docs/setup/production-environment/_index.md

@@ -519,13 +519,10 @@ needs of your cluster's workloads:
 <!--
 - *Set namespace limits*: Set per-namespace quotas on things like memory and CPU. See
   [Manage Memory, CPU, and API Resources](/docs/tasks/administer-cluster/manage-resources/)
-  for details. You can also set
-  [Hierarchical Namespaces](/blog/2020/08/14/introducing-hierarchical-namespaces/)
-  for inheriting limits.
+  for details.
 -->
 - **设置名字空间限制**：为每个名字空间的内存和 CPU 设置配额。
   参阅[管理内存、CPU 和 API 资源](/zh-cn/docs/tasks/administer-cluster/manage-resources/)以了解细节。
-  你也可以设置[层次化名字空间](/blog/2020/08/14/introducing-hierarchical-namespaces/)来继承这类约束。
 <!--
 - *Prepare for DNS demand*: If you expect workloads to massively scale up,
   your DNS service must be ready to scale up as well. See