Fix missing to on reassign Merge Request text email to unassigned.
Created by: cirosantilli
Factors out text MR and issue email.
Same as: https://github.com/gitlabhq/gitlabhq/pull/7661 but for the text version instead of HTML.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Created by: cirosantilli
Factors out text MR and issue email.
Same as: https://github.com/gitlabhq/gitlabhq/pull/7661 but for the text version instead of HTML.