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
2 files changed