Remove redundant echo of build directory.
Remove redundant echo of build directory.

libtetcoin/libtetcoin-blockchain,libmetrocoin/libmetrocoin-blockchain,libmetrocoin/libmetrocoin-blockchain,bitprim/bitprim-blockchain-replier,libmetrocoin/libmetrocoin-blockchain,bitprim/bitprim-blockchain-replier,libtetcoin/libtetcoin-blockchain,libtetcoin/libtetcoin-blockchain