Remove `AllowChangingTimeZoneSettingsFeatureSimpleStateChecker`.

modules/setting-management/src/Volo.Abp.SettingManagement.Application.Contracts/Volo/Abp/SettingManagement/AllowChangingTimeZoneSettingsFeatureSimpleStateChecker.cs

@@ -1,24 +0,0 @@
-using System.Threading.Tasks;
-using Microsoft.Extensions.DependencyInjection;
-using Volo.Abp.Authorization.Permissions;
-using Volo.Abp.Features;
-using Volo.Abp.MultiTenancy;
-using Volo.Abp.SimpleStateChecking;
-
-namespace Volo.Abp.SettingManagement;
-
-public class AllowChangingTimeZoneSettingsFeatureSimpleStateChecker : ISimpleStateChecker<PermissionDefinition>
-{
-    public async Task<bool> IsEnabledAsync(SimpleStateCheckerContext<PermissionDefinition> context)
-    {
-        var currentTenant = context.ServiceProvider.GetRequiredService<ICurrentTenant>();
-
-        if (!currentTenant.IsAvailable)
-        {
-            return true;
-        }
-
-        var featureChecker = context.ServiceProvider.GetRequiredService<IFeatureChecker>();
-        return await featureChecker.IsEnabledAsync(SettingManagementFeatures.EnableTimeZone);
-    }
-}

modules/setting-management/src/Volo.Abp.SettingManagement.Application.Contracts/Volo/Abp/SettingManagement/SettingManagementPermissionDefinitionProvider.cs

@@ -1,4 +1,5 @@
 using Volo.Abp.Authorization.Permissions;
+using Volo.Abp.Features;
 using Volo.Abp.Localization;
 using Volo.Abp.SettingManagement.Localization;
 
@@ -16,8 +17,7 @@ public class SettingManagementPermissionDefinitionProvider : PermissionDefinitio
 
         emailPermission.AddChild(SettingManagementPermissions.EmailingTest, L("Permission:EmailingTest"));
 
-        moduleGroup.AddPermission(SettingManagementPermissions.TimeZone, L("Permission:TimeZone"));
-        emailPermission.StateCheckers.Add(new AllowChangingTimeZoneSettingsFeatureSimpleStateChecker());
+        moduleGroup.AddPermission(SettingManagementPermissions.TimeZone, L("Permission:TimeZone")).RequireFeatures(SettingManagementFeatures.EnableTimeZone);
     }
 
     private static LocalizableString L(string name)

modules/setting-management/src/Volo.Abp.SettingManagement.Application/Volo/Abp/SettingManagement/TimeZoneSettingsAppService.cs

@@ -16,13 +16,11 @@ namespace Volo.Abp.SettingManagement;
 public class TimeZoneSettingsAppService : SettingManagementAppServiceBase, ITimeZoneSettingsAppService
 {
     protected ISettingManager SettingManager { get; }
-    protected ISettingProvider SettingProvider { get; }
     protected ITimezoneProvider TimezoneProvider { get; }
 
-    public TimeZoneSettingsAppService(ISettingManager settingManager, ISettingProvider settingProvider, ITimezoneProvider timezoneProvider)
+    public TimeZoneSettingsAppService(ISettingManager settingManager, ITimezoneProvider timezoneProvider)
     {
         SettingManager = settingManager;
-        SettingProvider = settingProvider;
         TimezoneProvider = timezoneProvider;
     }