[zh-cn] Remove Service Catalog references

Signed-off-by: Guangwen Feng <fenggw-fnst@fujitsu.com>

content/zh-cn/docs/reference/glossary/managed-service.md

@@ -34,13 +34,6 @@ tags:
 <!--
 Some examples of Managed Services are AWS EC2, Azure SQL Database, and
 GCP Pub/Sub, but they can be any software offering that can be used by an application.
-[Service Catalog](/docs/concepts/extend-kubernetes/service-catalog/) provides a way to
-list, provision, and bind with Managed Services offered by
-{{< glossary_tooltip text="Service Brokers" term_id="service-broker" >}}.
 -->
 托管服务的一些例子有 AWS EC2、Azure SQL 数据库和 GCP Pub/Sub 等，
 不过它们也可以是可以被某应用使用的任何软件交付件。
-[服务目录](/zh-cn/docs/concepts/extend-kubernetes/service-catalog/)
-提供了一种方法用来列举、制备和绑定到
-{{< glossary_tooltip text="服务代理商（Service Brokers）" term_id="service-broker" >}}
-所提供的托管服务。

content/zh-cn/docs/reference/glossary/service-broker.md

@@ -1,47 +0,0 @@
----
-title: 服务代理（Service Broker）
-id: service-broker
-date: 2018-04-12
-full_link: 
-short_description: >
-  由第三方提供并维护的一组托管服务的访问端点。
-
-aka: 
-tags:
-- extension
----
-
-<!--
----
-title: Service Broker
-id: service-broker
-date: 2018-04-12
-full_link: 
-short_description: >
-  An endpoint for a set of Managed Services offered and maintained by a third-party.
-
-aka: 
-tags:
-- extension
----
--->
-
-<!--
- An endpoint for a set of {{< glossary_tooltip text="Managed Services" term_id="managed-service" >}} offered and maintained by a third-party.
--->
-由第三方提供并维护的一组{{< glossary_tooltip text="托管服务" term_id="managed-service">}}的访问端点。
-
-<!--more--> 
-
-<!--
-{{< glossary_tooltip text="Service Brokers" term_id="service-broker" >}} implement the
-[Open Service Broker API spec](https://github.com/openservicebrokerapi/servicebroker/blob/v2.13/spec.md)
-and provide a standard interface for applications to use their Managed Services.
-[Service Catalog](/docs/concepts/extend-kubernetes/service-catalog/) provides a way to
-list, provision, and bind with Managed Services offered by Service Brokers.
--->
-
-{{< glossary_tooltip text="服务代理（Service Brokers）" term_id="service-broker">}}会实现
-[开放服务代理 API 规范](https://github.com/openservicebrokerapi/servicebroker/blob/v2.13/spec.md)
-并为应用提供使用其托管服务的标准接口。
-[服务目录（Service Catalog）](/zh-cn/docs/concepts/extend-kubernetes/service-catalog/)则提供一种方法，用来列举、供应和绑定服务代理商所提供的托管服务。

content/zh-cn/docs/reference/glossary/service-catalog.md

@@ -18,7 +18,7 @@ id: service-catalog
 date: 2018-04-12
 full_link: 
 short_description: >
-  An extension API that enables applications running in Kubernetes clusters to easily use external managed software offerings, such as a datastore service offered by a cloud provider.
+  A former extension API that enables applications running in Kubernetes clusters to easily use external managed software offerings, such as a datastore service offered by a cloud provider.
 
 aka: 
 tags:
@@ -28,18 +28,17 @@ tags:
 
 
 <!--
- An extension API that enables applications running in Kubernetes clusters to easily use external managed software offerings, such as a datastore service offered by a cloud provider.
+ A former extension API that enables applications running in Kubernetes clusters to easily use external managed software offerings, such as a datastore service offered by a cloud provider.
 -->
 
-服务目录是一种扩展 API，它能让 Kubernetes 集群中运行的应用易于使用外部托管的的软件服务，例如云供应商提供的数据仓库服务。
+服务目录是一种过去曾经存在的扩展 API，它能让 Kubernetes 集群中运行的应用易于使用外部托管的的软件服务，例如云供应商提供的数据仓库服务。
 
 <!--more--> 
 
 <!--
-It provides a way to list, provision, and bind with external {{< glossary_tooltip text="Managed Services" term_id="managed-service" >}} from {{< glossary_tooltip text="Service Brokers" term_id="service-broker" >}} without needing detailed knowledge about how those services are created or managed.
+It provided a way to list, provision, and bind with external {{< glossary_tooltip text="Managed Services" term_id="managed-service" >}} without needing detailed knowledge about how those services would be created or managed.
 -->
 
-服务目录可以检索、供应、和绑定由 {{< glossary_tooltip text="服务代理人（Service Brokers）" term_id="service-broker" >}}
-提供的外部{{< glossary_tooltip text="托管服务（Managed Services）" term_id="managed-service" >}}，
+服务目录可以检索、供应、和绑定外部{{< glossary_tooltip text="托管服务（Managed Services）" term_id="managed-service" >}}，
 而无需知道那些服务具体是怎样创建和托管的。