newsunpack.py: also handle output of unrar5 with password protected files

as discussed http://forums.sabnzbd.org/viewtopic.php?f=3&t=16166&p=89054#p89054
Merge pull request #122 from sanderjo/patch-4

newsunpack.py: also handle output of unrar5 with password protected file...
Revert "newsunpack.py: also handle output of unrar5 with password protected files"

This reverts commit 12fd63c1cf138607888414b0f039770841737592.