openchange_cleanup.py misc fixups
openchange_cleanup.py misc fixups

don't import ldb since it is not used (yet)
comment out function that could call ldb
fix imap{host,port} usage
use 'username' instead of sys.argv[1] in pgsql cleanup...

Distrotech/sogo,Distrotech/sogo,Distrotech/sogo,Distrotech/sogo,Distrotech/sogo