private void restoreFromPreferences() {
		Set<File> userAddedFiles = getFilesFromPreference(USER_ADDED_FILES);
		addUserFidFiles(userAddedFiles);

		Set<File> excludedFiles = getFilesFromPreference(INACTIVE_FID_FILES);
		excludeFidFiles(excludedFiles);
	}
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