Improve readability of CAddrInfo::IsTerrible
Improve readability of CAddrInfo::IsTerrible

- Replaced 86400 with 24*60*60
- Remove references to specific timespans in comments

Github-Pull: #4724

domob1812/crowncoin,syscoin/syscoin,syscoin/syscoin,domob1812/crowncoin,domob1812/crowncoin,syscoin/syscoin,domob1812/crowncoin,Infernoman/crowncoin,Crowndev/crowncoin,Infernoman/crowncoin,syscoin/syscoin,Crowndev/crowncoin,Infernoman/crowncoin,Crowndev/crowncoin,Crowndev/crowncoin,Infernoman/crowncoin,domob1812/crowncoin,Infernoman/crowncoin,syscoin/syscoin,Crowndev/crowncoin,domob1812/crowncoin,Crowndev/crowncoin,Infernoman/crowncoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin