private void notifyListeners() {
		for (ChangeListener listener : listeners) {
			listener.stateChanged(null);
		}
	}
Removes a listener to be notified when the list of FidFiles change.
@param listener the listener to no longer be notified.
Ghidra/Features/FunctionID/src/main/java/ghidra/feature/fid/db/FidFileManager.java