private void findDeliveredFidFiles() {
		fidFiles = new CopyOnWriteArraySet<>();
		List<ResourceFile> foundFiles =
			Application.findFilesByExtensionInApplication(FidFile.FID_RAW_DATABASE_FILE_EXTENSION);
		for (ResourceFile resourceFile : foundFiles) {
			File file = resourceFile.getFile(true);
			FidFile fidFile = new FidFile(this, file, true);
			if (fidFile.isValidFile()) {
				fidFiles.add(fidFile);
			}
		}
	}
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