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

Change-Id: I3a945828b4c74be7747850e3e0eab2f4adeb67fd
Reviewed-on: https://gerrit.libreoffice.org/64140
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>