Don't pass argument sqlite_db in method set_defaults
Don't pass argument sqlite_db in method set_defaults

Config option sqlite_db is deprecated for removal[1],
so don't need set its default value.

[1]https://github.com/openstack/oslo.db/blob/\
0a1bae9859079fb21a03716be947c5f1da6db0a2/oslo_db/options.py#L17

Change-Id: I3b124860550d5197dbecb29060803d1b3fd34ae4

openstack/neutron-lib,openstack/neutron-lib,openstack/neutron-lib,openstack/neutron-lib