function RemoveResourceAction(resource, manager, category)
{
	Action.call(this);
	
	this.resource = resource;
	this.category = category;
	this.manager = manager;
}
Remove a resource from the manager.

Usages of the resource being removed are replaced with a default resource of the same category.

@class RemoveResourceAction
@param {Resource} resource Resource to remove.
@param {ResourceManager} manager Manager to insert the resource into.
@param {string} category Category of the resource.