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S1AP_Emulation: Remove commented duplicated function

The function used is in library/LTE_CryptoFunctions.ttcn.

Change-Id: I1d6871d2a735a4bf39c87f6c976bd5d5630e9c04
---
M library/S1AP_Emulation.ttcn
1 file changed, 0 insertions(+), 29 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/21/40421/1

diff --git a/library/S1AP_Emulation.ttcn b/library/S1AP_Emulation.ttcn
index a8ae6f0..ba588df 100644
--- a/library/S1AP_Emulation.ttcn
+++ b/library/S1AP_Emulation.ttcn
@@ -310,35 +310,6 @@
 	return mrf.msg;
 }
 
-/*
-private function f_nas_try_decaps(PDU_NAS_EPS nas) return PDU_NAS_EPS
-{
-	var PDU_NAS_EPS_SecurityProtectedNASMessage secp_nas;
-	if (not match(nas, tr_NAS_EMM_SecurityProtected)) {
-		return nas;
-	}
-	secp_nas := nas.ePS_messages.ePS_MobilityManagement.pDU_NAS_EPS_SecurityProtectedNASMessage;
-	select (secp_nas.securityHeaderType) {
-	case ('0011'B) {
-		var octetstring knas_int := '530ce32318f26264eab26bc116870b86'O;
-		var octetstring data_with_seq := int2oct(secp_nas.sequenceNumber, 1) & secp_nas.nAS_Message;
-		var OCT4 exp_mac := f_snow_3g_f9(knas_int, secp_nas.sequenceNumber, 0,
-						 is_downlink:=true, data:=data_with_seq);
-		if (exp_mac != secp_nas.messageAuthenticationCode) {
-			setverdict(fail, "Received NAS MAC ", secp_nas.messageAuthenticationCode,
-				   " doesn't match expected MAC ", exp_mac, ": ", nas);
-			mtc.stop;
-		}
-		return dec_PDU_NAS_EPS(secp_nas.nAS_Message);
-		}
-	case else  {
-		setverdict(fail, "Implement SecHdrType for ", secp_nas);
-		mtc.stop;
-		}
-	}
-}
-*/
-
 function handle_S1AP_UeContextReleaseCmd(template (present) S1AP_PDU rel_cmd) runs on S1AP_Emulation_CT {
 	if (ispresent(rel_cmd.initiatingMessage.value_.uEContextReleaseCommand.protocolIEs[0].value_.uE_S1AP_IDs.uE_S1AP_ID_pair)) {
 		var template MME_UE_S1AP_ID mme_ue_id;

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