Prune 73 obsolete ports

FreeBSD Ports maintainers have already deleted the following:
  astro/nova
  audio/ices0
  audio/tracker
  audio/yamt
  cad/gwave
  cad/tkgate
  chinese/joe2
  comms/ghfaxviewer
  comms/mlan
  databases/dbh10
  databases/gnome-db
  databases/libgda
  databases/memcached12
  databases/ruby-bdb1
  deskutils/gworkspace-clipbook
  devel/bonobo
  devel/gconf
  devel/libglade
  devel/oaf
  devel/p5-doxygenfilter
  devel/pharmacy
  devel/ptlib26
  devel/py-archetypes.kss
  devel/py-elementtree
  devel/py-importlib
  devel/py-kss-core
  editors/xmleditor
  emulators/gsnes9x
  emulators/visualos
  finance/gnofin
  ftp/ncftp2
  games/bombermaze
  games/glife
  games/gnmm
  games/gnomermind
  graphics/electriceyes
  graphics/gnomecanvas
  graphics/gnomeiconedit
  graphics/libwpg01
  irc/keitairc
  irc/xchat1
  japanese/xchat
  lang/ruby-mode.el
  mail/mavbiff
  misc/misterproper
  multimedia/gsubedit
  net-mgmt/nrpe2
  net/gnome-vnc
  net/opal3
  news/grn
  ports-mgmt/poudriere-devel
  print/gnome-print
  security/fpm
  sysutils/easypbi
  sysutils/pbreg
  sysutils/rdiff-backup10
  sysutils/warden
  sysutils/xsu
  textproc/fileshuffle
  textproc/gxmlviewer
  textproc/libwpd08
  textproc/libxml++
  textproc/rotix
  www/libghttp
  www/moodle23
  www/p5-HTTP-GHTTP
  www/py-Products.kupu
  www/py-beautifulsoup30
  www/py-plone.app.kss
  www/varnish2
  x11-toolkits/easygtk
  x11-toolkits/guile-gtk
  x11/libXtrans