Hygiene: Cleanup the html for the cleanup templates

oooh the irony
We never got any style guidance for cleanup templates in the overlay
itself so why not just list them with cleaner html and the icon and
the text

This also means we can kill the IE stylesheet which only exists for
this purpose

Change-Id: Ibb7420c53e2eded59e72fe6b55482abb5c6ad983
Bug 50681: Don't duplicate the watchlist message when empty

Bug: 50681
Change-Id: I38781ff7a96863c8bd2fa40d342ff65b2fcbd1e2
Merge "Bug 50681: Don't duplicate the watchlist message when empty"
Merge "Hygiene: Cleanup the html for the cleanup templates"