When we start a new Phabricator container, using nasqueron/Phabricator (rDPHAB) image, nginx doesn't start.

There is a conflcit between /etc/nginx/sites-enabled/default (provided by base image and /etc/nginx/sites-enabled/phabricator we use.

Yet, we have an instruction to delete it in Dockerfile (line 23):
https://github.com/nasqueron/docker-phabricator/blob/master/Dockerfile#L23