util.sasl.digest-md5: Remove, obsolete since 2011 RFC 6331 lists several problems with this outdated authentication mechanism. The code here was also completely ignored by lint checks and has probably not been used for a long time, as it is incompatible with SCRAM-hashed password storage.

-- Unknown platform stub
module:set_global();

-- TODO Do things that make sense if we don't know about the platform