correct the Finnish date-format choices (add the other four)

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@22674 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
revert the Finnish date-format change (remove the four I added)

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@22677 4ae1f11a-8b86-4847-b8af-ab372f36d1fd