mme, pgw: Fix GTPv2_Emulation setup after recent changes

The fields were added to be used in EPDG_Tests, but they need to be
explicitly set to omit here.

Fixes: 65a7f762efd8cf7a2eec2ca0c7753d03d907b6ab
Change-Id: I3ed3c185310082f36bbce22817b903232825567c
diff --git a/pgw/PGW_Tests.ttcn b/pgw/PGW_Tests.ttcn
index ea9f056..281f816 100644
--- a/pgw/PGW_Tests.ttcn
+++ b/pgw/PGW_Tests.ttcn
@@ -279,6 +279,8 @@
 		gtpc_bind_port := GTP2C_PORT,
 		gtpc_remote_ip := mp_pgw_hostname,
 		gtpc_remote_port := GTP2C_PORT,
+		gtpu_bind_ip := omit,  /* using gtpu daemon */
+		gtpu_bind_port := omit,  /* using gtpu daemon */
 		sgw_role := true,
 		use_gtpu_daemon := true
 	};