remove unused instance var

src/main/java/org/cryptomator/common/settings/SettingsProvider.java

@@ -49,14 +49,12 @@ public class SettingsProvider implements Supplier<Settings> {
 
 	private final AtomicReference<ScheduledFuture<?>> scheduledSaveCmd = new AtomicReference<>();
 	private final Supplier<Settings> settings = Suppliers.memoize(this::load);
-	private final SettingsJsonAdapter settingsJsonAdapter;
 	private final Environment env;
 	private final ScheduledExecutorService scheduler;
 	private final Gson gson;
 
 	@Inject
 	public SettingsProvider(SettingsJsonAdapter settingsJsonAdapter, Environment env, ScheduledExecutorService scheduler) {
-		this.settingsJsonAdapter = settingsJsonAdapter;
 		this.env = env;
 		this.scheduler = scheduler;
 		this.gson = new GsonBuilder() //