[OpenSIPS-Devel] [OpenSIPS/opensips] 50d9dc: Revert ERR back to DBG log

[Bogdan Andrei IANCU]

  Branch: refs/heads/3.3
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 50d9dc6365105f5a2f37b3cc62a6adfc72fa3bef
      https://github.com/OpenSIPS/opensips/commit/50d9dc6365105f5a2f37b3cc62a6adfc72fa3bef
  Author: Bogdan-Andrei Iancu <bogdan at opensips.org>
  Date:   2023-09-08 (Fri, 08 Sep 2023)

  Changed paths:
    M net/proto_tcp/tcp_common.h

  Log Message:
  -----------
  Revert ERR back to DBG log

Introduced by mistake via e0fe732e9c9d28c24ed6860fbd3531940978b8f9
Reported by Bence Szigeti.

(cherry picked from commit 3b04f2185c419e295a471fa14f8436cdb0f02fff)