A command was built but never run. As a whole, it's been about a year since it was first added and since it not running has not been a problem in that time, removing it makes the most sense.

More context, courtesy of bmgordon@, the original author:
"Some versions of LVM don't auto-activate volumes, and it was meant to take care of that case. Considering that everybody's chroots have been working without it, I'd be tempted to just remove that command and assume that we must all be running new enough LVM to not need it."