NextDNS logging is opt-out, not opt-in as stated on PG's DNS Resolvers recommendations page

I didn’t realize the privacy policy was what was in question here, I thought it was just outdated information on our end. I’m okay with removing it until their privacy policy reflects their current defaults.

In this PR it is replaced with dns0.eu:

We desperately need to split NextDNS away from this table as noted a few months ago here anyways:

I don’t think this is particularly fair, the committed information is still accurate anyhow.