Remove references to `org.opencastproject.db.ddl.generation` (and maybe more?)
Apparently this setting does not do anything anymore, but it still features prominently in the admin documentation. (See for example Step 3 here.
EclipseLink apparently creates the necessary tables automatically, independent of this setting, if they are not already there. So the caveat about "please run the provided DDL script first to reap suchandsuch optimization benefits" still applies.