A hook event that fires when a foundry.canvas.layers.CanvasLayer is deconstructed. The dispatched event name replaces "Layer" with the named CanvasLayer subclass, i.e. "tearDownTokensLayer".
The layer being deconstructed
A hook event that fires when a foundry.canvas.layers.CanvasLayer is deconstructed. The dispatched event name replaces "Layer" with the named CanvasLayer subclass, i.e. "tearDownTokensLayer".