remove unuse codes

frontend/app_flowy/lib/workspace/presentation/widgets/menu/widget/app/header/header.dart

@@ -2,7 +2,7 @@ import 'package:app_flowy/workspace/domain/edit_action/app_edit.dart';
 import 'package:app_flowy/workspace/presentation/widgets/dialogs.dart';
 import 'package:easy_localization/easy_localization.dart';
 import 'package:expandable/expandable.dart';
-import 'package:flowy_infra/flowy_icon_data_icons.dart';
+import 'package:flowy_infra/icon_data.dart';
 import 'package:flowy_infra/theme.dart';
 import 'package:flowy_infra_ui/flowy_infra_ui.dart';
 import 'package:flowy_infra_ui/style_widget/text.dart';

frontend/app_flowy/packages/flowy_infra/lib/color.dart

@@ -1,19 +0,0 @@
-import 'package:flutter/cupertino.dart';
-
-class ColorUtils {
-  static Color shiftHsl(Color c, [double amt = 0]) {
-    var hslc = HSLColor.fromColor(c);
-    return hslc.withLightness((hslc.lightness + amt).clamp(0.0, 1.0)).toColor();
-  }
-
-  static Color parseHex(String value) => Color(int.parse(value.substring(1, 7), radix: 16) + 0xFF000000);
-
-  static Color blend(Color dst, Color src, double opacity) {
-    return Color.fromARGB(
-      255,
-      (dst.red.toDouble() * (1.0 - opacity) + src.red.toDouble() * opacity).toInt(),
-      (dst.green.toDouble() * (1.0 - opacity) + src.green.toDouble() * opacity).toInt(),
-      (dst.blue.toDouble() * (1.0 - opacity) + src.blue.toDouble() * opacity).toInt(),
-    );
-  }
-}

frontend/app_flowy/packages/flowy_infra/lib/flowy_icon_data_icons.dart

@@ -1,30 +0,0 @@
-/// Flutter icons FlowyIconData
-/// Copyright (C) 2021 by original authors @ fluttericon.com, fontello.com
-/// This font was generated by FlutterIcon.com, which is derived from Fontello.
-///
-/// To use this font, place it in your fonts/ directory and include the
-/// following in your pubspec.yaml
-///
-/// flutter:
-///   fonts:
-///    - family:  FlowyIconData
-///      fonts:
-///       - asset: fonts/FlowyIconData.ttf
-///
-///
-///
-// ignore_for_file: constant_identifier_names
-
-import 'package:flutter/widgets.dart';
-
-class FlowyIconData {
-  FlowyIconData._();
-
-  static const _kFontFam = 'FlowyIconData';
-  static const String? _kFontPkg = null;
-
-  static const IconData drop_down_hide =
-      IconData(0xe800, fontFamily: _kFontFam, fontPackage: _kFontPkg);
-  static const IconData drop_down_show =
-      IconData(0xe801, fontFamily: _kFontFam, fontPackage: _kFontPkg);
-}

frontend/app_flowy/packages/flowy_infra/lib/strings.dart

@@ -1,60 +0,0 @@
-// ignore_for_file: non_constant_identifier_names
-
-class _Strings {
-  static _Strings instance = _Strings();
-
-  String TITLE_CONTACTS_PAGE = "Contacts";
-  String TITLE_WHATS_HAPPENING = "What's happening this week?";
-  String TITLE_ADD_CONTACT = "Add Contact";
-  String TITLE_EDIT_CONTACT = "Edit Contact";
-
-  String BTN_OK = "Ok";
-  String BTN_CANCEL = "Cancel";
-  String BTN_SIGN_IN = "Sign In";
-  String BTN_SIGN_OUT = "Sign Out";
-  String BTN_COMPLETE = "Complete";
-  String BTN_SAVE = "Save";
-
-  String LBL_WELCOME = "Welcome!";
-  String LBL_NAME_FIRST = "First Name";
-  String LBL_NAME_MIDDLE = "Middle Name";
-  String LBL_NAME_LAST = "Last Name";
-  String LBL_STEP_X = "Step {0}";
-
-  String ERR_DEVICE_OAUTH_FAILED_TITLE = "Unable to connect to your account.";
-  String ERR_DEVICE_OAUTH_FAILED_MSG =
-      "Please make sure you've completed the sign-in process in your browser.";
-
-  String GOOGLE_OAUTH_TITLE = "GOOGLE SIGN-IN";
-  String GOOGLE_OAUTH_INSTRUCTIONS_1 =
-      "In order to import your Google Contacts, you'll need to authorize this application using your web browser.";
-  String GOOGLE_OAUTH_INSTRUCTIONS_2 =
-      "Copy this code to your clipboard by clicking the icon or selecting the text:";
-  String GOOGLE_OAUTH_INSTRUCTIONS_3 =
-      "Navigate to the following link in your web browser, and enter the above code:";
-  String GOOGLE_OAUTH_INSTRUCTIONS_4 =
-      "Press the button below when you've completed signup:";
-}
-
-_Strings get S => _Strings.instance;
-
-extension AddSupplant on String {
-  String sup(
-      [dynamic v0,
-      dynamic v1,
-      dynamic v2,
-      dynamic v3,
-      dynamic v4,
-      dynamic v5,
-      dynamic v6]) {
-    var _s = this;
-    if (v0 != null) _s = _s.replaceAll("{0}", "$v0");
-    if (v1 != null) _s = _s.replaceAll("{1}", "$v1");
-    if (v2 != null) _s = _s.replaceAll("{2}", "$v2");
-    if (v3 != null) _s = _s.replaceAll("{3}", "$v3");
-    if (v4 != null) _s = _s.replaceAll("{4}", "$v4");
-    if (v5 != null) _s = _s.replaceAll("{5}", "$v5");
-    if (v6 != null) _s = _s.replaceAll("{6}", "$v6");
-    return _s;
-  }
-}

frontend/app_flowy/packages/flowy_infra/lib/theme.dart

@@ -1,4 +1,3 @@
-import 'package:flowy_infra/color.dart';
 import 'package:flutter/material.dart';
 
 enum ThemeType {
@@ -25,7 +24,6 @@ String themeTypeToString(ThemeType ty) {
 
 //Color Pallettes
 const _black = Color(0xff000000);
-const _grey = Color(0xff808080);
 const _white = Color(0xFFFFFFFF);
 
 class AppTheme {
@@ -185,3 +183,21 @@ class AppTheme {
 
   Color shift(Color c, double d) => ColorUtils.shiftHsl(c, d * (isDark ? -1 : 1));
 }
+
+class ColorUtils {
+  static Color shiftHsl(Color c, [double amt = 0]) {
+    var hslc = HSLColor.fromColor(c);
+    return hslc.withLightness((hslc.lightness + amt).clamp(0.0, 1.0)).toColor();
+  }
+
+  static Color parseHex(String value) => Color(int.parse(value.substring(1, 7), radix: 16) + 0xFF000000);
+
+  static Color blend(Color dst, Color src, double opacity) {
+    return Color.fromARGB(
+      255,
+      (dst.red.toDouble() * (1.0 - opacity) + src.red.toDouble() * opacity).toInt(),
+      (dst.green.toDouble() * (1.0 - opacity) + src.green.toDouble() * opacity).toInt(),
+      (dst.blue.toDouble() * (1.0 - opacity) + src.blue.toDouble() * opacity).toInt(),
+    );
+  }
+}