[TASK] use makepkg --clean to remove stuff in $scrdir

makepkg-and-update-db.sh

@@ -12,7 +12,7 @@ makepkg_bash_func() {
     notify-send "Start makepkg for $name" -p -t $expireTimeNotifyOSD -r $currentId -i software-update-available > $tmpFile
 	#fixes issue with makepkg ... git repo is not a clone of ...
 	unset GIT_DIR
-	makepkg
+	makepkg --clean
 	repo-add /mnt/pi-usb-ssd/gind-repo/x86_64/gind-repo.db.tar.gz $name*.pkg.tar.zst
 	cp -n $name*.pkg.tar.zst /mnt/pi-usb-ssd/gind-repo/x86_64/
 }