Remove deprecated flag in neutron.py
Remove deprecated flag in neutron.py

Removing needs:check_deprecation_status flag as the check
has been done in the below patch
https://review.openstack.org/#/c/363746/

Blueprint centralize-config-options-ocata

Change-Id: I9f8c9c2bdcfb1277f76ec823e82453234be15992

mahak/nova,gooddata/openstack-nova,rahulunair/nova,mahak/nova,rahulunair/nova,gooddata/openstack-nova,rajalokan/nova,rahulunair/nova,openstack/nova,vmturbo/nova,klmitch/nova,mikalstill/nova,sebrandon1/nova,rajalokan/nova,openstack/nova,alaski/nova,mahak/nova,rajalokan/nova,mikalstill/nova,gooddata/openstack-nova,Juniper/nova,Juniper/nova,klmitch/nova,Juniper/nova,vmturbo/nova,Juniper/nova,phenoxim/nova,mikalstill/nova,alaski/nova,klmitch/nova,sebrandon1/nova,hanlind/nova,jianghuaw/nova,vmturbo/nova,klmitch/nova,cloudbase/nova,openstack/nova,rajalokan/nova,cloudbase/nova,jianghuaw/nova,hanlind/nova,phenoxim/nova,gooddata/openstack-nova,cloudbase/nova,jianghuaw/nova,hanlind/nova,sebrandon1/nova,vmturbo/nova,jianghuaw/nova