We don't need them. We could also remove the biblionumber but it
requires change to the controller I'd prefer to not do now.
Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>