Revert "Newsletter Subscribe (#1258)"

This reverts commit dca530f2cf.

Signed-off-by: Qiaozp <qiaozhongpei.qzp@alibaba-inc.com>

package.json

@@ -32,7 +32,6 @@
     "react": "17.0.2",
     "react-dom": "17.0.2",
     "react-github-btn": "^1.4.0",
-    "react-mailchimp-subscribe": "^2.1.3",
     "sass": "^1.63.6"
   },
   "browserslist": {

src/components/Newsletter.js

@@ -1,12 +0,0 @@
-import React from 'react';
-import MailchimpSubscribe from 'react-mailchimp-subscribe';
-
-const Newsletter = () => {
-  return (
-    <div style={{ padding: '20px' }}>
-      <MailchimpSubscribe url="https://kubevela.us17.list-manage.com/subscribe/post?u=27213eba6a4772c86d2332aeb&amp;id=f0873592ac&amp;f_id=002857e0f0" />
-    </div>
-  );
-};
-
-export default Newsletter;

src/pages/index.js

@@ -9,7 +9,6 @@ import FeatureList from '../components/FeatureList';
 import Button from '../components/button';
 import WhatIs from '../components/WhatIs';
 import Integration from '../components/Integration';
-import Newsletter from '../components/Newsletter';
 
 export default function Home() {
   const context = useDocusaurusContext();
@@ -71,7 +70,6 @@ export default function Home() {
           <div className="cncf-Logo" />
         </div>
       </div>
-      <Newsletter />
     </Layout>
   );
 }