Removed reference to nonexistent server unique_id
Removed reference to nonexistent server unique_id

Problem: When generating the client code with the trace option
turned on there is a reference to the server's unique_id which
does not exist.

Solution: Removed the reference.

zeromq/zproto,sphaero/zproto,hintjens/zproto,jdiez17/zproto,jemc/zproto,asokoloski/zproto,zeromq/zproto,bkmit/zproto,somdoron/zproto,vyskocilm/zproto,zeromq/zproto,zeromq/zproto,somdoron/zproto,sphaero/zproto,bkmit/zproto,jemc/zproto,jdiez17/zproto,asokoloski/zproto,sappo/zproto,jdiez17/zproto,zeromq/zproto,sphaero/zproto,hintjens/zproto,vyskocilm/zproto,bkmit/zproto,asokoloski/zproto,somdoron/zproto,hintjens/zproto,c-rack/zproto,vyskocilm/zproto,c-rack/zproto,asokoloski/zproto,hintjens/zproto,jemc/zproto,sappo/zproto,jdiez17/zproto,zeromq/zproto,sappo/zproto,jemc/zproto,asokoloski/zproto,somdoron/zproto,somdoron/zproto,vyskocilm/zproto,bkmit/zproto,jemc/zproto,c-rack/zproto,hintjens/zproto,sappo/zproto,sphaero/zproto,c-rack/zproto,vyskocilm/zproto,jemc/zproto,jdiez17/zproto,sappo/zproto,hintjens/zproto,asokoloski/zproto,zeromq/zproto,jdiez17/zproto,jemc/zproto,bkmit/zproto,c-rack/zproto,vyskocilm/zproto,somdoron/zproto,c-rack/zproto,bkmit/zproto,sphaero/zproto,sphaero/zproto,hintjens/zproto,asokoloski/zproto,somdoron/zproto,jdiez17/zproto,sappo/zproto,vyskocilm/zproto,sappo/zproto,bkmit/zproto,c-rack/zproto