Also files starting with capital letters.

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

Change-Id: Ia79de45524315e2aaa1283ee6e42c54c9e14a31e
Reviewed-on: https://gerrit.libreoffice.org/61735
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>