Found with bin/find-unneeded-includes
Only removal proposals are dealt with here
and only for files that are actually compiling

Change-Id: I70357eade9552984fdb3b7590f1e8237a02a7d1d
Reviewed-on: https://gerrit.libreoffice.org/65650
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>