A simple starter kit, that's designed to be a basic developer accelerator for working with Sitecore. The issue with other helix starter kits, is that they add additional features you might not need, especially if you are not building out a full blown website.
So when you setup a new project using Sitecore Helix Starter Kit, it should remove all of the things from Sitecore you wouldn't want, including the sample items that are added automatically by Sitecore.
So when you setup a new project using Sitecore Helix Starter Kit, it should remove all of the things from Sitecore you wouldn't want, including the sample items that are added automatically by Sitecore.