I don’t know the reason why they remove it, but for me when editing content is very useful,
You can download from here
Require [color=#ff0000]my_changes[/color] addon to be enabled.
copy folder [color=#ff0000]design [/color]to root from archive
clear cache (?cc)
[ Tested on CS-Cart: version 4.0.1 ULTIMATE ]
I hope that helps,