deleted obselete build file.
deleted obselete build file.

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