fix & opt.

- fix: `sftpGoPath`
- opt.: `PersistentStore.toJson`
- rm: `first` store
- opt.: log print

lib/data/store/docker.dart

@@ -10,8 +10,4 @@ class DockerStore extends PersistentStore<String> {
   void put(String id, String host) {
     box.put(id, host);
   }
-
-  Map<String, String> fetchAll() {
-    return box.toMap().cast<String, String>();
-  }
 }

lib/data/store/first.dart

@@ -1,9 +0,0 @@
-import 'package:toolbox/core/persistant_store.dart';
-
-/// It stores whether is the first time of some.
-class FirstStore extends PersistentStore<bool> {
-  FirstStore() : super('first');
-
-  /// Show tip of suspend
-  late final showSuspendTip = StoreProperty(box, 'showSuspendTip', true);
-}

lib/data/store/history.dart

@@ -1,12 +1,9 @@
 import 'package:hive_flutter/hive_flutter.dart';
 import 'package:toolbox/core/persistant_store.dart';
 
-typedef _HistoryList = List<String>;
-typedef _HistoryMap = Map<String, String>;
-
 /// index from 0 -> n : latest -> oldest
 class _ListHistory {
-  final _HistoryList _history;
+  final List _history;
   final String _name;
   final Box _box;
 
@@ -15,7 +12,7 @@ class _ListHistory {
     required String name,
   })  : _box = box,
         _name = name,
-        _history = box.get(name, defaultValue: <String>[])!;
+        _history = box.get(name, defaultValue: [])!;
 
   void add(String path) {
     _history.remove(path);
@@ -23,11 +20,11 @@ class _ListHistory {
     _box.put(_name, _history);
   }
 
-  _HistoryList get all => _history;
+  List get all => _history;
 }
 
 class _MapHistory {
-  final _HistoryMap _history;
+  final Map _history;
   final String _name;
   final Box _box;
 
@@ -36,7 +33,7 @@ class _MapHistory {
     required String name,
   })  : _box = box,
         _name = name,
-        _history = box.get(name, defaultValue: <String, String>{})!;
+        _history = box.get(name, defaultValue: <dynamic, dynamic>{})!;
 
   void put(String id, String val) {
     _history[id] = val;

lib/data/store/setting.dart

@@ -8,9 +8,6 @@ import '../res/default.dart';
 class SettingStore extends PersistentStore {
   SettingStore() : super('setting');
 
-  /// Convert all settings into json
-  Map<String, dynamic> toJson() => {for (var e in box.keys) e: box.get(e)};
-
   // ------BEGIN------
   //
   // These settings are not displayed in the settings page
@@ -220,6 +217,9 @@ class SettingStore extends PersistentStore {
   /// Open SFTP with last viewed path
   late final sftpOpenLastPath = StoreProperty(box, 'sftpOpenLastPath', true);
 
+  /// Show tip of suspend
+  late final showSuspendTip = StoreProperty(box, 'showSuspendTip', true);
+
   // Never show these settings for users
   //
   // ------BEGIN------