Bug 32811: Remove useless lines for indexer.log

Bug 32811: Remove useless lines for indexer.log

See also bug 32612.
The output option includes the stdout.

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit d27d39e4b8acccfbed7296106eadd1499d63e35b)
Signed-off-by: Jacob O'Mara <jacob.omara@ptfs-europe.com>
(cherry picked from commit 05d5b029f2b9ff1d7f4b2bdf17d9755a0a051289)
Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
(cherry picked from commit 03abd18eb609b7fe103817e9888372b1d58c42c0)
Signed-off-by: Arthur Suzuki <arthur.suzuki@biblibre.com>