5d643cc migration.py: Remove stray get_ipa_basedn import

1 file Authored by pviktori 8 years ago, Committed by jcholast 8 years ago,
    migration.py: Remove stray get_ipa_basedn import
    
    Part of the work for https://fedorahosted.org/freeipa/ticket/5638
    
    Reviewed-By: Jan Cholasta <jcholast@redhat.com>