code: function (layer) {
  		if (layer._spiderLeg) {
  			this._featureGroup.removeLayer(layer);
  
  			if (layer.clusterShow) {
  				layer.clusterShow();
  			}
  				//Position will be fixed up immediately in _animationUnspiderfy
  			if (layer.setZIndexOffset) {
  				layer.setZIndexOffset(0);
  			}
  
  			this._map.removeLayer(layer._spiderLeg);
  			delete layer._spiderLeg;
  		}
  	}
docs: If the given layer is currently being spiderfied then we unspiderfy it so it isn't on the map anymore etc