S1AP_Emulation: remove stray comment

Related: OS#5760
Change-Id: I55bfced12d573081311c55d363bfe7bd02fc816f
diff --git a/library/S1AP_Emulation.ttcn b/library/S1AP_Emulation.ttcn
index 6221bf8..a907483 100644
--- a/library/S1AP_Emulation.ttcn
+++ b/library/S1AP_Emulation.ttcn
@@ -94,8 +94,6 @@
 	EUTRAN_CGI	cgi optional,
 	TAI		tai optional,
 	NAS_UE_State	nus
-
-	//hexstring	imsi optional
 };
 
 type component S1AP_Emulation_CT {