Remove expired ports:
2014-09-25 sysutils/rubygem-chef-expander: Depends on broken rubygem-dep_selector
2014-09-25 sysutils/rubygem-chef-server: Depends on broken rubygem-dep_selector
2014-09-25 sysutils/rubygem-chef-solr: Depends on broken rubygem-dep_selector
2014-09-25 www/rubygem-chef-server-webui: Depends on broken rubygem-dep_selector
2014-09-25 www/rubygem-chef-server-api: Depends on broken rubygem-dep_selector