#3883 remove non-existent host
#3883 remove non-existent host

The domain `rakudo.party` no longer exists. Since `Undercover` bot only differs from SourceBaby because it points to wtf.rakudo.party,
this link is pointless. Zoffix, perhaps could point to a different domain???
tbrowder/doc,tbrowder/doc,tbrowder/doc,MasterDuke17/doc,tbrowder/doc,MasterDuke17/doc,MasterDuke17/doc,MasterDuke17/doc