Removes more old backoffice files + Smidge!

Directory.Packages.props

@@ -76,8 +76,6 @@
     <PackageVersion Include="Serilog.Sinks.Map" Version="1.0.2" />
     <PackageVersion Include="SixLabors.ImageSharp" Version="3.1.2" />
     <PackageVersion Include="SixLabors.ImageSharp.Web" Version="3.1.0" />
-    <PackageVersion Include="Smidge.InMemory" Version="4.3.0" />
-    <PackageVersion Include="Smidge.Nuglify" Version="4.3.0" />
     <PackageVersion Include="Swashbuckle.AspNetCore" Version="6.5.0" />
   </ItemGroup>
   <!-- Transitive pinned versions (only required because our direct dependencies have vulnerable versions of transitive dependencies) -->

src/Umbraco.Cms.Api.Management/DependencyInjection/UmbracoBuilder.BackOffice.cs

@@ -24,7 +24,6 @@ public static IUmbracoBuilder
         .AddConfiguration()
         .AddUmbracoCore()
         .AddWebComponents()
-        .AddRuntimeMinifier()
         .AddBackOfficeCore()
         .AddBackOfficeIdentity()
         .AddBackOfficeAuthentication()

src/Umbraco.Cms.Api.Management/Extensions/UmbracoApplicationBuilder.BackOffice.cs

@@ -38,7 +38,6 @@ public static IUmbracoEndpointBuilderContext UseBackOfficeEndpoints(this IUmbrac
         BackOfficeAreaRoutes backOfficeRoutes = app.ApplicationServices.GetRequiredService<BackOfficeAreaRoutes>();
         backOfficeRoutes.CreateRoutes(app.EndpointRouteBuilder);
 
-        app.UseUmbracoRuntimeMinificationEndpoints();
         app.UseUmbracoPreviewEndpoints();
 
         return app;

src/Umbraco.Cms.Api.Management/Middleware/BackOfficeExternalLoginProviderErrorMiddleware.cs

@@ -1,8 +1,8 @@
 using System.Text;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.Extensions;
-using Newtonsoft.Json;
 using Umbraco.Cms.Core.Security;
+using Umbraco.Cms.Core.Serialization;
 using Umbraco.Extensions;
 
 namespace Umbraco.Cms.Api.Management.Middleware;
@@ -18,6 +18,13 @@ namespace Umbraco.Cms.Api.Management.Middleware;
 /// </remarks>
 public class BackOfficeExternalLoginProviderErrorMiddleware : IMiddleware
 {
+    private readonly IJsonSerializer _jsonSerializer;
+
+    public BackOfficeExternalLoginProviderErrorMiddleware(IJsonSerializer jsonSerializer)
+    {
+        _jsonSerializer = jsonSerializer;
+    }
+
     public async Task InvokeAsync(HttpContext context, RequestDelegate next)
     {
         var shortCircuit = false;
@@ -29,7 +36,7 @@ public async Task InvokeAsync(HttpContext context, RequestDelegate next)
             {
                 shortCircuit = true;
 
-                var serialized = Convert.ToBase64String(Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(errors)));
+                var serialized = Convert.ToBase64String(Encoding.UTF8.GetBytes(_jsonSerializer.Serialize(errors)));
 
                 context.Response.Cookies.Append(
                     ViewDataExtensions.TokenExternalSignInError,

src/Umbraco.Core/DependencyInjection/UmbracoBuilder.Collections.cs

@@ -15,8 +15,6 @@
 using Umbraco.Cms.Core.Snippets;
 using Umbraco.Cms.Core.Strings;
 using Umbraco.Cms.Core.Tour;
-using Umbraco.Cms.Core.Trees;
-using Umbraco.Cms.Core.WebAssets;
 using Umbraco.Cms.Core.Webhooks;
 using Umbraco.Extensions;
 
@@ -97,7 +95,6 @@ internal static void AddAllCoreCollectionBuilders(this IUmbracoBuilder builder)
             .Append<Hulu>()
             .Append<Giphy>()
             .Append<LottieFiles>();
-        builder.BackOfficeAssets();
         builder.SelectorHandlers().Add(() => builder.TypeLoader.GetTypes<ISelectorHandler>());
         builder.FilterHandlers().Add(() => builder.TypeLoader.GetTypes<IFilterHandler>());
         builder.SortHandlers().Add(() => builder.TypeLoader.GetTypes<ISortHandler>());
@@ -244,12 +241,6 @@ public static MediaUrlGeneratorCollectionBuilder MediaUrlGenerators(this IUmbrac
     public static EmbedProvidersCollectionBuilder EmbedProviders(this IUmbracoBuilder builder)
         => builder.WithCollectionBuilder<EmbedProvidersCollectionBuilder>();
 
-    /// <summary>
-    /// Gets the back office custom assets collection builder
-    /// </summary>
-    public static CustomBackOfficeAssetsCollectionBuilder BackOfficeAssets(this IUmbracoBuilder builder)
-        => builder.WithCollectionBuilder<CustomBackOfficeAssetsCollectionBuilder>();
-
     /// <summary>
     /// Gets the Delivery API selector handler collection builder
     /// </summary>

src/Umbraco.Core/DependencyInjection/UmbracoBuilder.cs

@@ -18,7 +18,6 @@
 using Umbraco.Cms.Core.Features;
 using Umbraco.Cms.Core.Handlers;
 using Umbraco.Cms.Core.Hosting;
-using Umbraco.Cms.Core.Install;
 using Umbraco.Cms.Core.IO;
 using Umbraco.Cms.Core.Logging;
 using Umbraco.Cms.Core.Mail;
@@ -186,9 +185,7 @@
             this.AddNotificationHandler<UmbracoApplicationStartingNotification, EssentialDirectoryCreator>();
 
             Services.AddSingleton<UmbracoRequestPaths>();
 
-            Services.AddSingleton<InstallStatusTracker>();
-
             Services.AddUnique<ICultureDictionaryFactory, DefaultCultureDictionaryFactory>();
             Services.AddSingleton(f => f.GetRequiredService<ICultureDictionaryFactory>().CreateDictionary());