Remove exclusions/additions that conflict and break image composes

The new DNF based appliance build is stricter about additions and exclusions
in the %packages section, so things that expressly conflict will fail the
build.

fedora-lxde-packages.ks

@@ -43,7 +43,6 @@ metacity
 -acpid
 -gimp-help
 -desktop-backgrounds-basic
--realmd                     # only seems to be used in GNOME
 -PackageKit*                # we switched to yumex, so we don't need this
 -foomatic-db-ppds
 -foomatic

fedora-mate-packages.ks

@@ -35,7 +35,6 @@ lightdm-gtk-greeter-settings
 # audio video
 parole
 exaile
-PackageKit-gstreamer-plugin
 
 # blacklist applications which breaks mate-desktop
 -audacious

fedora-soas-packages.ks

@@ -24,8 +24,6 @@
 -glx-utils
 -nmap-ncat
 -PackageKit
--libfprint
--realmd
 -eekboard-libs
 -open-vm-tools*
 -gfs2-utils

fedora-xfce-packages.ks

@@ -38,7 +38,6 @@ system-config-printer
 -acpid
 -gimp-help
 -desktop-backgrounds-basic
--realmd                     # only seems to be used in GNOME
 -PackageKit*                # we switched to yumex, so we don't need this
 -aspell-*                   # dictionaries are big
 -xfce4-sensors-plugin