code: public void removeValue(String name) {
  		properties.removeItem(name);
  		values.remove(name);
  
  		if (properties.getItemCount() >= 1) {
  			properties.setSelectedIndex(0);
  		} else {
  			panel.setInterpolator(null);
  		}
  
  		enableControls();
  	}
docs: Remove a configurable value from the graph
  
  @param name The name of the value to be removed