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

Change-Id: Iabe571aa8f00492902c499094bea8365a3e17fca
Reviewed-on: https://gerrit.libreoffice.org/63623
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
(cherry picked from commit 40710c48)
Reviewed-on: https://gerrit.libreoffice.org/63769Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>