it's completely counterproductive. just include() the file instead.
i don't think anyone knew about this "feature", so just removing it.
as a side effect this removes the repeated existence check of already
found feature files, as we can use a clean else-if cascade.
Change-Id: I5d38d38d0a897f2e8857ac68d5649fd4367941c4
Reviewed-by: Joerg Bornemann <joerg.bornemann@nokia.com>