Bug 10296: UT: t/data/db_schemas not needed

Bug 10296: UT: t/data/db_schemas not needed

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
These were added with the intention of writing some
schema verification test cases, but if that idea
gets picked up again in the future, fresher copies
of kohastructure.sql can be obtained from Git.

Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>
(cherry picked from commit d2ee2b5cf34aa73bba23d2d54c32588f8acaa4e5)
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>