By generic he means that you will struggle to locate the stonehearth saved files simply by using the search function of Windows 8 - searching for “save games” chucks up every file that may be a save game for example
Hence the:
@gamermoun if you’re using Steam right click Stonehearth in your library, click on properties, click the local files tab, then click browse local files, the save game folder should be there in the directory and then just delete the files within.