Deleting a user should not delete the issues.

When deleting a user, existing issues that were assigned to that user should not be deleted. Same goes for closed issues. We lost a significant amount of history trying to cleanup our users in Gitlab.

Duplicate of https://github.com/gitlabhq/gitlabhq/issues/4295

Also, somewhat addressed in this PR https://github.com/gitlabhq/gitlabhq/pull/5779/files. The admin should now at least be warned this will happen.

@kjq Please comment on the linked issue above to further track this issue. Thanks for your report.

Status changed to closed

mentioned in commit 4fc79fff

Mentioned in commit 4fc79fff

mentioned in merge request !14785