artisttile: Fix delayed loading of artist art
In 333d707c delayed loading was added, but the init setter on coreobject this was not utilized and still starts all artist art loading at nearly the same time.
Remove the offending line.
In 333d707c delayed loading was added, but the init setter on coreobject this was not utilized and still starts all artist art loading at nearly the same time.
Remove the offending line.