[skip ci] Update README.md (#1822)

Signed-off-by: Njinhai <hai.jin@zilliz.com>

README.md

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 ![GitHub](https://img.shields.io/github/license/milvus-io/milvus)
-![Language](https://img.shields.io/github/languages/count/milvus-io/milvus)
-![GitHub top language](https://img.shields.io/github/languages/top/milvus-io/milvus)
-![GitHub release (latest by date)](https://img.shields.io/github/v/release/milvus-io/milvus)
-![GitHub Release Date](https://img.shields.io/github/release-date/milvus-io/milvus)
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-[![Maintenance](https://img.shields.io/badge/Maintained%3F-yes-green.svg)](https://github.com/milvus-io/milvus/pulse/monthly)
-![OSS Lifecycle](https://img.shields.io/osslifecycle/milvus-io/milvus)
-[![HitCount](http://hits.dwyl.com/milvus-io/milvus.svg)](http://hits.dwyl.com/milvus-io/milvus)
 ![Docker pulls](https://img.shields.io/docker/pulls/milvusdb/milvus)
 
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@@ -19,9 +10,6 @@
 [![codebeat badge](https://codebeat.co/badges/e030a4f6-b126-4475-a938-4723d54ec3a7?style=plastic)](https://codebeat.co/projects/github-com-milvus-io-milvus-master)
 [![CodeFactor Grade](https://www.codefactor.io/repository/github/milvus-io/milvus/badge)](https://www.codefactor.io/repository/github/milvus-io/milvus)
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/c4bb2ccfb51b47f99e43bfd1705edd95)](https://app.codacy.com/gh/milvus-io/milvus?utm_source=github.com&utm_medium=referral&utm_content=milvus-io/milvus&utm_campaign=Badge_Grade_Dashboard)
-[![Scrutinizer Quality Score](https://scrutinizer-ci.com/g/milvus-io/milvus/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/milvus-io/milvus/)
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-[![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square)](http://makeapullrequest.com)
 
 [中文版](README_CN.md) | [日本語版](README_JP.md)
 

README_CN.md

@@ -3,14 +3,6 @@
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 ![GitHub](https://img.shields.io/github/license/milvus-io/milvus)
-![Language](https://img.shields.io/github/languages/count/milvus-io/milvus)
-![GitHub top language](https://img.shields.io/github/languages/top/milvus-io/milvus)
-![GitHub release (latest by date)](https://img.shields.io/github/v/release/milvus-io/milvus)
-![GitHub Release Date](https://img.shields.io/github/release-date/milvus-io/milvus)
-
-[![Maintenance](https://img.shields.io/badge/Maintained%3F-yes-green.svg)](https://github.com/milvus-io/milvus/pulse/monthly)
-![OSS Lifecycle](https://img.shields.io/osslifecycle/milvus-io/milvus)
-[![HitCount](http://hits.dwyl.com/milvus-io/milvus.svg)](http://hits.dwyl.com/milvus-io/milvus)
 ![Docker pulls](https://img.shields.io/docker/pulls/milvusdb/milvus)
 
 [![Build Status](http://internal.zilliz.com:18080/jenkins/job/milvus-ci/job/master/badge/icon)](http://internal.zilliz.com:18080/jenkins/job/milvus-ci/job/master/)
@@ -18,9 +10,6 @@
 [![codecov](https://codecov.io/gh/milvus-io/milvus/branch/master/graph/badge.svg)](https://codecov.io/gh/milvus-io/milvus)
 [![codebeat badge](https://codebeat.co/badges/e030a4f6-b126-4475-a938-4723d54ec3a7?style=plastic)](https://codebeat.co/projects/github-com-milvus-io-milvus-master)
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/c4bb2ccfb51b47f99e43bfd1705edd95)](https://app.codacy.com/gh/milvus-io/milvus?utm_source=github.com&utm_medium=referral&utm_content=milvus-io/milvus&utm_campaign=Badge_Grade_Dashboard)
-[![Scrutinizer Quality Score](https://scrutinizer-ci.com/g/milvus-io/milvus/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/milvus-io/milvus/)
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-[![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square)](http://makeapullrequest.com)
 
 # 欢迎来到 Milvus