Integrate meta-seconorth-distro/fngsystem-installation-overlays-fix
requested to merge integrate/meta-seconorth-distro/fngsystem-installation-overlays-fix/into/dunfell into dunfell
Commit: seco-ne/yocto/layers/meta-seconorth-distro@ab2b6b4f
fngsystem-self-update: Handle left over 'overlays' text file from old installations
Prior versions of fngsystem used the overlays textfile, now we have an overlays folder. This may disturb the copy overation so we delete it in case it exists.