Revert "Merge branch '431288-user-unassignment-note' into 'master'"
What does this MR do and why?
This MR reverts !143045 (merged).
The changes in !143045 (merged) breaks the following existing feature.
The bug is: when deleting a member from a project or group, there is an option to unassign the deleted user from assigned issues and merge requests.
Edited by euko