Upgrade to Plone 5.0.4 from 4.3.9 fails due to zombie pdfpeek

Thanks for trying to help @pcdummy. If you read back through this topic, you may notice that I mention in 2 different places that I tried that before posting here.

[Edit: I am mistaken --- I was confusing wildcard.fixmissing with wildcard.fixpersistentutilities. I'll have a look at the former. Thanks.]