nova-net: Remove unused 'stub_out_db_network_api'
nova-net: Remove unused 'stub_out_db_network_api'

This was missed in change I209f92129eccbfb2ad89886609a047c19b9c6237.

Change-Id: I1fac910076c0d413755b775276c295f4ddfc9780
Signed-off-by: Stephen Finucane <492121341a95b3c3aab646bed44634f739dd019b@redhat.com>

klmitch/nova,openstack/nova,mahak/nova,mahak/nova,mahak/nova,rahulunair/nova,klmitch/nova,openstack/nova,klmitch/nova,rahulunair/nova,klmitch/nova,rahulunair/nova,openstack/nova