Remove red_prompt.bash, migrated to fuss-client

customizations/red_prompt.bash

-# colour the red prompt
-
-if [ $(id -u) -eq 0 ];
- then # you are root, set red colour prompt
-   PS1="\[$(tput setaf 1)\]\u@\h:\w# \[$(tput sgr0)\]"
- else # normal
-   PS1="[\u@\h:\w]"
-fi

debian/fuss-desktop.install

-customizations/xfce4/*	/etc/xdg/xfce4
-customizations/red_prompt.bash			    etc/bash_completion.d