Method removePlaceGroup

src/main/java/mudmap2/backend/World.java:465–473

Removes a PlaceGroup @param placeGroup PlaceGroup to be removed

(PlaceGroup placeGroup)

     * @param placeGroup PlaceGroup to be removed
     */
    public void removePlaceGroup(PlaceGroup placeGroup){
        for(Layer layer: getLayers()){
            for(Place p: layer.getPlaces()){
                if(p.getPlaceGroup() == placeGroup) p.setPlaceGroup(null);
            }
        }
        placeGroups.remove(placeGroup);
        callListeners(placeGroup);
    }

    // --------- information colors --------------------------------------------
    /**