Update wikiless instances

[Randomuser199800]

Remove broken instances:
https://wiki.froth.zone
https://wl.vern.cc
https://wikiless.rawbit.ninja
https://wikiless.funami.tech
https://w.sneed.network
https://wiki.seitan-ayoub.lol

Add new instances:
https://wikiless.com (official)
https://wikiless.v4nt.com (from https://github.com/Metastem/Wikiless/wiki/Instances)
https://wiki.nerdvpn.de
http://nerdvpnedmmtlnl3uj3xe7dwt6hi52k3lryphmqrxruw6cu2nkddqnid.onion (from https://nerdvpn.de)

[IkelAtomig]

will look into this. If i remember wikiless was kinda broken as there was no official list we maintained it on our own.