Remove useless line
Useless line removal following comment from Aokrome on merge https://gitlab.com/trinitycore/TrinityCore_434/merge_requests/12
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Useless line removal following comment from Aokrome on merge https://gitlab.com/trinitycore/TrinityCore_434/merge_requests/12