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

Change-Id: Ic4fdbad7469d506d7cf308cb96f069b781dd1f58
Reviewed-on: https://gerrit.libreoffice.org/61488
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>