Change VS build script to x64 only.
Change VS build script to x64 only.

tuomassiren/libbitcoin-server,libmetrocoin/libmetrocoin-server,RojavaCrypto/libbitcoin-server,RojavaCrypto/libbitcoin-server,tuomassiren/libbitcoin-server,tuomassiren/libbitcoin-server,libmetrocoin/libmetrocoin-server,libmetrocoin/libmetrocoin-server,RojavaCrypto/libbitcoin-server