show email help in a documentation dropdown

src/translation/zh_Hans.json

@@ -971,8 +971,7 @@
     "email": {
         "backAction": "回到邮件",
         "config": {
-            "title": "{{ domain }} Email 设置",
-            "connectionDetails": "其他邮件客户端的连接详情"
+            "title": "{{ domain }} Email 设置"
         },
         "incoming": {
             "title": "入站邮件",
@@ -1000,8 +999,6 @@
             },
             "disableAction": "停用",
             "outgointServerInfo": "发送邮件（SMTP）",
-            "description": "Cloudron 的<a href=\"{{ emailDocsLink }}\" target=\"_blank\">邮件服务器</a>允许用户接收这个域名的邮件。<a href=\"{{ rainloopLink }}\">Rainloop</a>, <a href=\"{{ sogoLink }}\">SOGo</a>, <a href=\"{{ roundcubeLink }}\">Roundcube</a> 已经为使用 Cloudron Email 预先配置好。",
-            "loginHelp": "使用 <i>mailboxname</i>@{{ domain }} 和邮箱所有者的 Cloudron 密码来登录邮箱",
             "incomingServerInfo": "入站邮件（IMAP）",
             "catchall": {
                 "saveAction": "保存",