Segment: remove deprecation warning for converters
Segment: remove deprecation warning for converters

Remove warning:
    neutron.api.v2.attributes.convert_to_int()' has moved to
    'neutron_lib.api.converters.convert_to_int()' in version
    'mitaka' and will be removed in version 'ocata': moved to
    neutron_lib

Change-Id: I0f6622b685a6b9ab030a13113badbefb729be013
Closes-bug: #1582541

eayunstack/neutron,mahak/neutron,sebrandon1/neutron,igor-toga/local-snat,openstack/neutron,noironetworks/neutron,cloudbase/neutron,sebrandon1/neutron,openstack/neutron,cloudbase/neutron,bigswitch/neutron,igor-toga/local-snat,huntxu/neutron,eayunstack/neutron,noironetworks/neutron,bigswitch/neutron,openstack/neutron,huntxu/neutron,mahak/neutron,mahak/neutron