acl-http plugin doc issues

[GuryYu]

File: /zh_CN/changes/upgrade-4.3.md Chapter "重要的插件配置变更 #emqx_auth_http"

AND

File: /zh_CN/advanced/acl-http.md File: /zh_CN/advanced/auth-http.md File: /en_US/advanced/acl-http.md

Plugin config content and example not macth.