* Removes current object entity from its DataMap.
*/
public void removeObjEntity(DataMap map, ObjEntity entity) {
ProjectController mediator = getProjectController();
EntityEvent e = new EntityEvent(Application.getFrame(), entity, MapEvent.REMOVE);
e.setDomain((DataChannelDescriptor) mediator.getProject().getRootNode());
map.removeObjEntity(entity.getName(), true);
mediator.fireObjEntityEvent(e);
// remove queries that depend on entity