Bug 33568: Remove LPAD ordering

Bug 33568: Remove LPAD ordering

This is coming from bug 3521 it seems. And we are going to deal with
this later if people complains.

kidclamp> the performance issue for sites with many copies is bigger than sorting issues imho
kidclamp> drop the LPAD I say :-)

Signed-off-by: Laurence Rault <laurence.rault@biblibre.com>
Signed-off-by: Emily Lamancusa <emily.lamancusa@montgomerycountymd.gov>
Signed-off-by: Tomás Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>