chore(webapi): Remove custom purge request binding (#1700)

src/Digdir.Domain.Dialogporten.WebApi/Endpoints/V1/ServiceOwner/Dialogs/Purge/PurgeDialogEndpoint.cs

@@ -20,7 +20,6 @@ public PurgeDialogEndpoint(ISender sender)
     public override void Configure()
     {
         Post("dialogs/{dialogId}/actions/purge");
-        RequestBinder(new PurgeDialogRequestBinder());
         Policies(AuthorizationPolicy.ServiceProvider);
         Group<ServiceOwnerGroup>();
 
@@ -52,24 +51,3 @@ public sealed class PurgeDialogRequest
     [FromHeader(headerName: Constants.IfMatch, isRequired: false, removeFromSchema: true)]
     public Guid? IfMatchDialogRevision { get; init; }
 }
-
-
-
-// Custom request binder to avoid attempted automatic deserialization of the Request body if the content type is application/json
-public sealed class PurgeDialogRequestBinder : IRequestBinder<PurgeDialogRequest>
-{
-    public ValueTask<PurgeDialogRequest> BindAsync(BinderContext ctx, CancellationToken ct)
-    {
-        if (!Guid.TryParse(ctx.HttpContext.Request.RouteValues["dialogId"]?.ToString()!, out var dialogId))
-            return ValueTask.FromResult(new PurgeDialogRequest());
-
-        ctx.HttpContext.Request.Headers.TryGetValue(Constants.IfMatch, out var revisionHeader);
-        var revisionFound = Guid.TryParse(revisionHeader, out var revision);
-
-        return ValueTask.FromResult(new PurgeDialogRequest
-        {
-            DialogId = dialogId,
-            IfMatchDialogRevision = revisionFound ? revision : null
-        });
-    }
-}