Remove duplicate log entry for conn alloc failures

dispatch_new_connections added a "generic" log entry if
conn_new returned nullptr, but conn_new had already
logged the reason why it failed to create the new
connection.

Change-Id: I54bcbfd28c4307f00f407c5fba80fc525281861e
Reviewed-on: http://review.couchbase.org/113629
Tested-by: Trond Norbye <[email protected]>
Reviewed-by: Jim Walker <[email protected]>

Author: trondn

daemon/thread.cc

@@ -249,8 +249,6 @@ static void dispatch_new_connections(FrontEndThread& me) {
 
     for (const auto& entry : connections) {
         if (conn_new(entry.first, *entry.second, me.base, me) == nullptr) {
-            LOG_WARNING("Failed to dispatch event for socket {}",
-                        long(entry.first));
             if (entry.second->system) {
                 --stats.system_conns;
             }