deposit.settings.production: Remove the logging django configuration
It prevents actual logging instructions to work. Also, it's the uwsgi application gunicorn which is currently configured for that.
Related to #2626 (closed)
Test Plan
tox
within docker (with the right docker-compose.override.yml), everything is fine.
swh-deposit_1 | [2020-11-12 14:46:07 +0000] [75] [DEBUG] GET /1/servicedocument/
swh-deposit_1 | [2020-11-12 14:46:07 +0000] [75] [DEBUG] Closing connection.
swh-deposit_1 | [2020-11-12 14:46:07 +0000] [76] [DEBUG] POST /1/test/
swh-scheduler_1 | [2020-11-12 14:46:08 +0000] [83] [DEBUG] POST /task/create
swh-deposit_1 | [2020-11-12 14:46:08 +0000] [76] [DEBUG] Closing connection.
Migrated from D4465 (view on Phabricator)