This is a temporary section. We are addressing the root cause of the bugs.
A data patch has also been run. Nonetheless, outliers might exist, that we
will tackle on 3rd line. This guidance can thus come in handy.

I thought about putting this in whitehall, but I feel like it best belongs here,
albeit at the bottom of the file.

Improve guidance, suggesting a less destructive fix for a broken asset.
Linking out to other sources and the whitehall bugs section below.

Update the removal in the originating publishing app guidance, as
we no longer advise developers to use the `delete_attachment` rake task.
We expect them to only delete assets in asset manager, unless they really
want to amend anything in the publishing app.