Merge pull request #5272 from sbwalker/dev

remove unecessary using statment

Oqtane.Server/Repository/SettingRepository.cs

@@ -1,6 +1,5 @@
 using System.Collections.Generic;
 using System.Linq;
-using Microsoft.AspNetCore.Http;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Caching.Memory;
 using Oqtane.Infrastructure;