Bug 24856: Remove itemtypes.imageurl in fr-FR sample data

Bug 24856: Remove itemtypes.imageurl in fr-FR sample data

in installer/data/mysql/fr-FR/3-LecturePub/sample_itemtypes.sql and installer/data/mysql/fr-FR/4-Conservation/sample_itemtypes.sql the values of imageurl point to non-existent images.

Test plan:
Insert the 2 sql file and confirm that imageurl is not empty

Signed-off-by: Bernardo Gonzalez Kriegel <bgkriegel@gmail.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Joy Nelson <joy@bywatersolutions.com>
(cherry picked from commit 25a00e828dfda520cf39c7aca219a028196958de)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>