private void removeOldFileNameList() {
		Options options = program.getOptions(Program.PROGRAM_INFO);
		if (options.contains(OLD_DT_ARCHIVE_FILENAMES)) {
			options.removeOption(OLD_DT_ARCHIVE_FILENAMES);
		}
	}
Save the current data organization to facilitate future change detection and 
upgrades.  This method must be invoked by {@link ProgramDB} during the final
stage of program creation (i.e., openMode == CREATE).
@throws IOException if failure occured while saving data organization.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/ProgramDataTypeManager.java