TrivialFix: Remove cfg import unused
TrivialFix: Remove cfg import unused

This patch removes cfg import unused in
nova/api/openstack/compute/__init__.py

Change-Id: I5ac8409ac2c8c937baadcf46c9208717e6a42674

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