* remove trailing whitespace in ci/audit.sh
* code review fixups
* rename GOSSIP_PORT_RANGE => SOLANA_PORT_RANGE
* remove out-of-date TODO in localnet-sanity.sh
* remove features=test and code that was using it (localhost prohibitions in
crdt) added TODO in crdt.rs, maybe we should boot localhost in production
networks?
* boot tvu_window from NodeInfo: instead, send repair requests from the repair
socket (to gossip on peer) and answer repair requests via the sockaddr
from the repair request
* remove various unused pub functions
* banish SocketAddr parse().unwrap() to a macro that can also accept simpler stuff