Found with bin/find-unneeded-includes
Only removal proposals are dealt with here.

Change-Id: I1b9193e0d7b320d2b64636eca1bc71041e338d45
Reviewed-on: https://gerrit.libreoffice.org/53900Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>