You can hide IS screen sets that you don't use so that they do not appear in the Screen System list in the process template.
The names of IS screen sets that are included with the Prinergy system start with Kodak_TF. You can hide screen sets that you don't use, rather than delete them. Then if you need them in future, you don't have to recreate them.
If you want to use these screen sets at a later time, move them out of the subfolder back into the