Denoise continuous Liquidsoap logging due to heartbeat status requests

Because of the ongoing heartbeat pulses the Liquidsoap log file gets filled up pretty quickly. It might be worth reviewing the connection handling (Related engine#65 (closed))

2020/12/16 11:47:28 [server:3] New client unix socket "".
2020/12/16 11:47:28 [server:3] Client unix socket "" disconnected.
2020/12/16 11:47:29 [server:3] New client unix socket "".
2020/12/16 11:47:29 [server:3] Client unix socket "" disconnected.
2020/12/16 11:47:30 [server:3] New client unix socket "".
2020/12/16 11:47:30 [server:3] Client unix socket "" disconnected.
2020/12/16 11:47:31 [server:3] New client unix socket "".
2020/12/16 11:47:31 [server:3] Client unix socket "" disconnected.
2020/12/16 11:47:32 [server:3] New client unix socket "".
2020/12/16 11:47:32 [server:3] Client unix socket "" disconnected.
2020/12/16 11:47:33 [server:3] New client unix socket "".
2020/12/16 11:47:33 [server:3] Client unix socket "" disconnected.
2020/12/16 11:47:34 [server:3] New client unix socket "".
2020/12/16 11:47:34 [server:3] Client unix socket "" disconnected.
2020/12/16 11:47:35 [server:3] New client unix socket "".
2020/12/16 11:47:35 [server:3] Client unix socket "" disconnected.