profiles: Clean up categories file

Keep only categories unique to our overlay.

sdk_container/src/third_party/coreos-overlay/profiles/categories

@@ -1,158 +1,3 @@
-app-accessibility
-app-admin
-app-antivirus
-app-arch
-app-backup
-app-benchmarks
-app-cdr
-app-crypt
-app-dicts
-app-doc
-app-editors
-app-emacs
-app-emulation
-app-forensics
-app-i18n
-app-laptop
-app-misc
-app-mobilephone
-app-office
-app-pda
-app-portage
-app-shells
-app-text
 app-torcx
-app-vim
-app-xemacs
-chromeos-base
 coreos-base
 coreos-devel
-dev-ada
-dev-cpp
-dev-db
-dev-dotnet
-dev-embedded
-dev-games
-dev-haskell
-dev-java
-dev-lang
-dev-libs
-dev-lisp
-dev-ml
-dev-perl
-dev-php
-dev-php5
-dev-python
-dev-ruby
-dev-scheme
-dev-tcltk
-dev-tex
-dev-texlive
-dev-tinyos
-dev-util
-games-action
-games-arcade
-games-board
-games-emulation
-games-engines
-games-fps
-games-kids
-games-misc
-games-mud
-games-puzzle
-games-roguelike
-games-rpg
-games-server
-games-simulation
-games-sports
-games-strategy
-games-util
-gnome-base
-gnome-extra
-gnustep-apps
-gnustep-base
-gnustep-libs
-gpe-base
-gpe-utils
-java-virtuals
-kde-base
-kde-misc
-lxde-base
-mail-client
-mail-filter
-mail-mta
-media-fonts
-media-gfx
-media-libs
-media-plugins
-media-radio
-media-sound
-media-tv
-media-video
-net-analyzer
-net-dialup
-net-dns
-net-firewall
-net-fs
-net-ftp
-net-im
-net-irc
-net-libs
-net-mail
-net-misc
-net-nds
-net-news
-net-nntp
-net-p2p
-net-print
-net-proxy
-net-voip
-net-wireless
-net-zope
-perl-core
-rox-base
-rox-extra
-sci-astronomy
-sci-biology
-sci-calculators
-sci-chemistry
-sci-electronics
-sci-geosciences
-sci-libs
-sci-mathematics
-sci-misc
-sci-physics
-sci-visualization
-sec-policy
-sys-apps
-sys-auth
-sys-block
-sys-boot
-sys-cluster
-sys-devel
-sys-firmware
-sys-freebsd
-sys-fs
-sys-kernel
-sys-libs
-sys-power
-sys-process
-www-apache
-www-apps
-www-client
-www-misc
-www-plugins
-www-servers
-x11-apps
-x11-base
-x11-drivers
-x11-libs
-x11-misc
-x11-plugins
-x11-proto
-x11-terms
-x11-themes
-x11-wm
-xfce-base
-xfce-extra
-virtual