Bug 34970: Remove most modules from SuggestionEngine_AuthorityFile.t

Bug 34970: Remove most modules from SuggestionEngine_AuthorityFile.t

There is really no need for all those modules here.
What remains, is just a trivial test.

Test plan:
Run t/SuggestionEngine_AuthorityFile.t

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 80db256a4700c6a7eec78fe85dade334d8b05bec)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>