docs: ThreadGetMyExternalIP has been removed
docs: ThreadGetMyExternalIP has been removed

It was removed in https://github.com/bitcoin/bitcoin/pull/5161

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