Replace JSON.NET with System.Text.json (#840)

src/Artemis.Core/Models/ProfileConfiguration/ProfileConfigurationExportModel.cs

@@ -1,36 +0,0 @@
-using System;
-using System.IO;
-using Artemis.Core.JsonConverters;
-using Artemis.Storage.Entities.Profile;
-using Newtonsoft.Json;
-
-namespace Artemis.Core;
-
-/// <summary>
-///     A model that can be used to serialize a profile configuration, it's profile and it's icon
-/// </summary>
-public class ProfileConfigurationExportModel : IDisposable
-{
-    /// <summary>
-    ///     Gets or sets the storage entity of the profile configuration
-    /// </summary>
-    public ProfileConfigurationEntity? ProfileConfigurationEntity { get; set; }
-
-    /// <summary>
-    ///     Gets or sets the storage entity of the profile
-    /// </summary>
-    [JsonProperty(Required = Required.Always)]
-    public ProfileEntity ProfileEntity { get; set; } = null!;
-
-    /// <summary>
-    ///     Gets or sets a stream containing the profile image
-    /// </summary>
-    [JsonConverter(typeof(StreamConverter))]
-    public Stream? ProfileImage { get; set; }
-
-    /// <inheritdoc />
-    public void Dispose()
-    {
-        ProfileImage?.Dispose();
-    }
-}