Personally i am never gonna recommend skraper as they simply stole 99% of there content from emumovies. But yes, you can use it still but either change the setting related to it putting those files there in the first place, or delete them after. The reason you had those PS1 7z files showing up is that is what you originally scraped with skraper, and that backup file was then put there, then when you re-imported that system you now had two PS1.xml files and Launchbox is reading them both. You would of also noticed in future that if you deleted games they would not delete, as they are still present in the backup.xml which Launchbox isnt editing.