I uploaded a new backport 0.10.1-1~bpo9+2 with the problematic commit reverted. HTH.
- Bug#899352: removes prosody role from ssl-cert Peter Palfrader
- Bug#899352: prosody: removes prosody role from ssl-... W. Martin Borgert
- Bug#899352: prosody: removes prosody role from ... Peter Palfrader
- Bug#899352: prosody: removes prosody role f... W. Martin Borgert
- Bug#899352: Problematic commit reverted for stretch... W. Martin Borgert
