Merge pull request #6524 from acmesh-official/dev

sync

Author: Neilpang

README.md

@@ -98,7 +98,6 @@ https://github.com/acmesh-official/acmetest
 
 - [ZeroSSL.com CA](https://github.com/acmesh-official/acme.sh/wiki/ZeroSSL.com-CA)(default)
 - Letsencrypt.org CA
-- [BuyPass.com CA](https://github.com/acmesh-official/acme.sh/wiki/BuyPass.com-CA)
 - [SSL.com CA](https://github.com/acmesh-official/acme.sh/wiki/SSL.com-CA)
 - [Google.com Public CA](https://github.com/acmesh-official/acme.sh/wiki/Google-Public-CA)
 - [Pebble strict Mode](https://github.com/letsencrypt/pebble)