Hi,
Please look for advisory on hardware vendor or provider of custom ISO. Also if you don't need to this VIB and its functionality on your host, then you can remove it.
Actually, I had no problem about removing unused VIB file just during upgrade.
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Davoud Teimouri - https://www.teimouri.net - Twitter: @davoud_teimouri Facebook: https://www.facebook.com/teimouri.net/