Remove expired ports:
2015-03-31 lang/gnatdroid-armv5: Nobody cares enough to fix sigtramp-android.c for ARMv5
2015-03-28 sysutils/puppet27: Does not work with Ruby 2.x
2015-03-31 www/rubygem-form_data: Use www/rubygem-http-form_data instead (renamed by upstream)
2015-03-31 www/typo345: Upgrade to www/typo3 or www/typo3-lts