Don't show/hide delete if it isn't there to begin with, fix #223
Don't show/hide delete if it isn't there to begin with, fix #223

drewbo/mapbox-gl-draw,drewbo/mapbox-gl-draw,mapbox/mapbox-gl-draw,mapbox/gl-draw,mapbox/gl-draw,mapbox/mapbox-gl-draw,kiRach/mapbox-gl-draw,kiRach/mapbox-gl-draw