Prune 22 obsolete ports

FreeBSD Ports maintainers have already deleted the following:
  databases/ruby-memcache
  deskutils/blogtk
  devel/ORBit
  devel/pure-stldict
  devel/pure-stlvec
  devel/ruby-io-reactor
  games/intensityengine
  games/nil
  games/windstille
  lang/dragonegg46
  mail/squirrelmail-postfixadmin-plugin
  net-im/qutim
  net-p2p/libtorrent-rasterbar-16
  net-p2p/libtorrent-rasterbar-16-python
  sysutils/mktool
  textproc/docproj-nojadetex
  textproc/gtkdiff
  textproc/jakarta-poi
  textproc/p5-Text-Emoticon-MSN
  textproc/p5-XML-Hadler-HTMLWriter
  textproc/stardict2
  x11/gnome-libs