Remove oslo.config deprecated parameter enforce_type
Remove oslo.config deprecated parameter enforce_type

This is follow up of I94915a5c6abbbb739c597025272dc0e25d3ba2ec,
ensure we don't use the parameter in Nova.

From oslo.config side, we will remove the parameter in the future.

Change-Id: I2369c86846e0568a244e618381e78601be228b81

rahulunair/nova,gooddata/openstack-nova,mikalstill/nova,openstack/nova,gooddata/openstack-nova,Juniper/nova,gooddata/openstack-nova,mikalstill/nova,gooddata/openstack-nova,klmitch/nova,openstack/nova,jianghuaw/nova,vmturbo/nova,mahak/nova,klmitch/nova,jianghuaw/nova,jianghuaw/nova,Juniper/nova,vmturbo/nova,rahulunair/nova,rahulunair/nova,mikalstill/nova,vmturbo/nova,phenoxim/nova,phenoxim/nova,openstack/nova,klmitch/nova,Juniper/nova,Juniper/nova,klmitch/nova,mahak/nova,jianghuaw/nova,mahak/nova,vmturbo/nova