Update lorax-template workload

anaconda-widgets is a dependency of anaconda-gui, so it need not be listed
separately.  rgb, xrandr, and xrdb are no longer installed by default since
Wayland is the default graphical protocol.

https://src.fedoraproject.org/rpms/lorax-templates-rhel/c/f466452a1abc6f19fb32106711c1bdf7683767d7
https://src.fedoraproject.org/rpms/lorax-templates-rhel/c/6b75ec9ab0e68a8be9f8b26f622c8ad05cbf6e5c

Author: yselkowitz

configs/rhel-sst-program--lorax-template.yaml

@@ -8,7 +8,6 @@ data:
     - lorax
     - lorax-templates-rhel
     - anaconda
-    - anaconda-widgets
     - kexec-tools-anaconda-addon
     - anaconda-install-env-deps
     - dnf
@@ -35,9 +34,6 @@ data:
     - bzip2
     - systemd
     - rsyslog
-    - rgb
-    - xrandr
-    - xrdb
     - gsettings-desktop-schemas
     - nm-connection-editor
     - librsvg2