tests.generate_data_test: Remove dead code
The storage fixtures now uses the swh.model.tests.generate_data_test instead
Related to #2494 (closed)
Test Plan
tox
Migrated from D3558 (view on Phabricator)
The storage fixtures now uses the swh.model.tests.generate_data_test instead
Related to #2494 (closed)
tox
Migrated from D3558 (view on Phabricator)