Autosmelt Skript

[ThunderStorm]

 

on break of stone:
    cancel event
    set block to air
    drop stone

on break of iron ore:
    cancel event
    set block to air
    drop iron ingot

on break of gold ore:
    cancel event
    set block to air
    drop gold ingot

 

[Skript]

Instead of canceling the event just use:

clear drops