@Override
	public void dataTypeChanged(DataTypeManager dtm, DataTypePath path) {

		if (listenerList.isEmpty()) {
			return;
		}
		invokeLater(() -> {
			for (DataTypeManagerChangeListener listener : listenerList) {
				listener.dataTypeChanged(dtm, path);
			}
		});
	}
Remove the category change listener.
@param l the listener to be removed.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/data/DataTypeManagerChangeListenerHandler.java