Bug 32349: Remove find-nonutf8 tests

Bug 32349: Remove find-nonutf8 tests

We don't run it and it does not seem very useful. Let's remove it.

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 26cce9e1c4e9c0ec6c41ffc60d89b3f75a40d227)
Signed-off-by: Jacob O'Mara <jacob.omara@ptfs-europe.com>
(cherry picked from commit 299a7fdf9c871dbf47041f81548fcab95c14fb5c)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
(cherry picked from commit b7632281d1d0a8095a521de0054dd0f967e3efa5)
Signed-off-by: Arthur Suzuki <arthur.suzuki@biblibre.com>