Bug 33032: Remove alternateholdings_count

Bug 33032: Remove alternateholdings_count

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit e36e393c7d05fc6e2af6391b908807655f6841e7)
Signed-off-by: Matt Blenkinsop <matt.blenkinsop@ptfs-europe.com>
(cherry picked from commit 48bc9e54d8c2647fc58cf118665a0988321800d0)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
(cherry picked from commit 8172a2ac1456ef3a60d6de59c91236acae44b2b1)
Signed-off-by: Arthur Suzuki <arthur.suzuki@biblibre.com>