mgw: Remove hack in f_two_crcx_mdcx_and_rtp_osmux() no longer needed

Since osmo-mgw.git 2177919edb3bc0dd308be388272486ffd97f4761, osmo-mgw can handle
properly conns containing a different remote and local CID.
Hence this hack can be dropped.

Related: SYS#5987
Change-Id: I531631d716581f68c11d3c0b07fc6755a822a0d3
diff --git a/mgw/MGCP_Test.ttcn b/mgw/MGCP_Test.ttcn
index a99e273..1183429 100644
--- a/mgw/MGCP_Test.ttcn
+++ b/mgw/MGCP_Test.ttcn
@@ -1530,9 +1530,8 @@
 		num_pkts_tx[0] := stats_rtp.num_pkts_tx;
 
 		if (crcx_osmux_wildcard) {
-			/* For now we must set same CID as the MGW recvCID,
-			 * having sendCID!=recvCID is not yet supported. */
-			flow[1].osmux.local_cid := flow[1].osmux.remote_cid;
+			/* We set now the local CID in MDCX: */
+			flow[1].osmux.local_cid := 2;
 		}
 		f_flow_modify_osmux(OsmuxEM, ep, call_id, "sendrecv", flow[1]);
 		f_sleep(2.0);