Removed proxy settings from nginx.conf

[JuniorJPDJ]

Hi!
I'm not sure if it was intended, but in commit updating nginx.conf to latest you guys removed proxy real IP setting in proxied examples:

a92ea90#diff-76e6f21e2d8f477d74859d2ae2a7c54a3874389730898b1cb3813edfac50b7e6L27

[joshtrichards]

I'm not sure. And it's been quite awhile now. Originally was added in #302. 🤔