@Override
	protected void setDeleted() {
		defaultSettings = null;
		super.setDeleted();
	}
Subclasses implement this to update the source archive id from the record. Implementers can
assume that the database lock will be acquired when this method is called.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/DataTypeDB.java