Revert a few changes.

backend/src/Squidex/Areas/Api/Controllers/Contents/ContentsController.cs

@@ -21,10 +21,6 @@ using Squidex.Web;
 
 namespace Squidex.Areas.Api.Controllers.Contents
 {
-    /// <summary>
-    /// Updates and retrieves contents.
-    /// </summary>
-    [ApiExplorerSettings(GroupName = nameof(Contents))]
     public sealed class ContentsController : ApiController
     {
         private readonly IContentQueryService contentQuery;

backend/src/Squidex/Areas/Api/Controllers/Contents/Models/BulkResultDto.cs

@@ -16,7 +16,7 @@ namespace Squidex.Areas.Api.Controllers.Contents.Models
     public sealed class BulkResultDto
     {
         /// <summary>
-        /// The error when the import failed.
+        /// The error when the bulk job failed.
         /// </summary>
         public ErrorDto? Error { get; set; }
 

backend/src/Squidex/Areas/Api/Controllers/Contents/Models/BulkUpdateJobDto.cs

@@ -28,7 +28,7 @@ namespace Squidex.Areas.Api.Controllers.Contents.Models
         public DomainId? Id { get; set; }
 
         /// <summary>
-        /// The data of the content when type is set to 'Upsert'.
+        /// The data of the content when type is set to 'Upsert', 'Create', 'Update' or 'Patch.
         /// </summary>
         public NamedContentData? Data { get; set; }