Remove UnixNetVConnection::startEvent - not actually called.#7609

bneradt merged 1 commit intoapache:8.1.xapache/trafficserver:8.1.xfrom

bneradt:cherry-pick-to-8.1.x-net-vconn-startEventbneradt/trafficserver:cherry-pick-to-8.1.x-net-vconn-startEventCopy head branch name to clipboard