Remove OAuth scenario
Remove OAuth scenario as we are removing the GitHub OAuth test which is the only spec using this scenario.
Related to https://gitlab.com/gitlab-org/gitlab/issues/196517
Edited by George Koltsov
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Remove OAuth scenario as we are removing the GitHub OAuth test which is the only spec using this scenario.
Related to https://gitlab.com/gitlab-org/gitlab/issues/196517