Fix handling of the nginx access.log on www.lizard
_Originally created by @intrigeri on [#14769 (Redmine)](https://public-redmine-archive.tails.boum.org/code/issues/14769)_
We log everything twice with slightly different settings due to having 2
different `access_log` directives in our conf.
Parent Task: tails/sysadmin#14540
issue