Remove unneeded @dir entries


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@372243 35697150-7ecd-e111-bb59-0022644237b5
- Add support for new experimental features
- Remove old features


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@372244 35697150-7ecd-e111-bb59-0022644237b5