Do not update Nginx vhosts files in Nginx setup (refs #27623).

2.Common_services/5.Nginx/0_setup.py

2.Common_services/5.Nginx/vhost_mediaserver-msuser.conf

2.Common_services/5.Nginx/vhost_msmonitor.conf

2.Common_services/5.Nginx/vhost_skyreach.conf

30.Deprecated/2.FTP/0_setup.py

30.Deprecated/2.FTP/crossdomain.xml

30.Deprecated/2.FTP/vhost_streaming.conf

30.Deprecated/2.FTP/vhost_videos.conf

8.MediaCache/1.Install_cache/0_setup.py

8.MediaCache/1.Install_cache/vhost_cache.conf

utils.py