[zh-cn] sync addons.md overview/_index.md

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

Author: my-git9

content/zh-cn/docs/concepts/cluster-administration/addons.md

@@ -181,14 +181,10 @@ Add-on 扩展了 Kubernetes 的功能。
 
 * [Dashboard](http://github.com/kubernetes/dashboard#kubernetes-dashboard)
   is a dashboard web interface for Kubernetes.
-* [Weave Scope](http://www.weave.works/documentation/scope-latest-installing/#k8s) is a
-  tool for visualizing your containers, Pods, Services and more.
 -->
 ## 可视化管理   {#visualization-and-control}
 
 * [Dashboard](http://github.com/kubernetes/dashboard#kubernetes-dashboard) 是一个 Kubernetes 的 Web 控制台界面。
-* [Weave Scope](http://www.weave.works/documentation/scope-latest-installing/#k8s)
-  是一个可视化工具，用于查看你的容器、Pod、服务等。
 
 <!--
 ## Infrastructure

content/zh-cn/docs/concepts/overview/_index.md

@@ -37,14 +37,6 @@ This page is an overview of Kubernetes.
 此页面是 Kubernetes 的概述。
 
 <!-- body -->
-<!--
-Kubernetes is a portable, extensible, open source platform for managing containerized
-workloads and services, that facilitates both declarative configuration and automation.
-It has a large, rapidly growing ecosystem. Kubernetes services, support, and tools are widely available.
-
--->
-Kubernetes 是一个可移植、可扩展的开源平台，用于管理容器化的工作负载和服务，可促进声明式配置和自动化。
-Kubernetes 拥有一个庞大且快速增长的生态，其服务、支持和工具的使用范围相当广泛。
 
 <!--
 The name Kubernetes originates from Greek, meaning helmsman or pilot. K8s as an abbreviation