lmdb: remove bsd specific build tags (fixed upstream with ITS#7209)
lmdb: remove bsd specific build tags (fixed upstream with ITS#7209)

https://github.com/LMDB/lmdb/commit/2a839d5dfab19b23fe90c1680a5e29bf4a6e2f09

bmatsuo/lmdb-go,bmatsuo/lmdb-go