RSPRO_Server: Ignore any ID RESP messages from the client for now

More recent clients start to send ID RESP, which was not the case at the
time the TTCN3 test suite was written.

As we don't really want to test the IPA CCM behavior, but we want to
test the actual remsim functionality, we can simply ignore any such
responses.

Change-Id: Id557ea9c540bf96465e7f18da87719888dd7a318
diff --git a/remsim/RSPRO_Server.ttcn b/remsim/RSPRO_Server.ttcn
index 635629f..bb11689 100644
--- a/remsim/RSPRO_Server.ttcn
+++ b/remsim/RSPRO_Server.ttcn
@@ -46,6 +46,7 @@
 
 altstep as_ignore_id_ack(integer i) runs on rspro_server_CT {
 	[] RSPRO_SRV[i].receive(tr_ASP_IPA_EV(ASP_IPA_EVENT_ID_ACK)) { repeat; }
+	[] RSPRO_SRV[i].receive(tr_ASP_IPA_EV(ASP_IPA_EVENT_ID_RESP)) { repeat; }
 }