These are pretty spammy on busy relays. I've been using the info log to
monitor spam attacks, and these are the least useful info log.
Leave the "stopping connection" log because it at least provides useful
sent/received information.
Signed-off-by: William Casarin <jb55@jb55.com>
The `reject_future_limits` option can now be disabled, and is by
default.
NIP-11 advertises support for created_at limits.
The message for future-dated events has been modified, to be closer to
the recommended example in the NIP.