Remove hopelessly outdated build-msw.md
Remove hopelessly outdated build-msw.md

Anyone building bitcoind/-qt on windows is welcome to contribute
a new one. The current information in this document is outdated,
or otherwise mostly worthless.

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