Remove "no changes" entries from changelog

Check: https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG.md

changed milestone to %9.2

Not sure why this happened, probably because of a merge.

cc @rspeicher

mentioned in issue #32427 (closed)

mentioned in issue #32426 (closed)

It's when we have to re-run the tagging for whatever reason. There's a WIP fix at https://gitlab.com/gitlab-org/release-tools/merge_requests/102 but it's been so long now, I can't remember why it was still in progress.

@rspeicher ohhh i had to re-tag some times makes sense now.

Thanks for the explanation.

assigned to @felipe_artur

mentioned in merge request !11462 (merged)

closed via merge request !11462 (merged)

mentioned in commit 92d1e26a