Drop tables in 6.0 DB before database upgrade
Drop tables in 6.0 DB before database upgrade

Dropping database doesn't work with Galera cluster. Instead, drop all tables in
databases of OpenStack services in 6.0 env before transferring data. Ignore
foreign keys when deleting tables.

stackforge/fuel-octane,stackforge/fuel-octane,Mirantis/octane,Mirantis/octane