Except for MAC/WIN specific parts (i.e. most of it)
Found with bin/find-unneeded-includes
Only removal proposals are dealt with here.
Change-Id: Ia14fb27c047e0e69f81386212aa25344f1297e05
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/95663
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>