Remove old task converters

Activout.RestClient.Test.Json/RestClientTests.cs

@@ -93,39 +93,6 @@ private IMovieReviewService CreateMovieReviewService(JsonImplementation jsonImpl
             .Build<IMovieReviewService>();
     }
 
-    [Theory]
-    [InlineData(JsonImplementation.SystemTextJson)]
-    [InlineData(JsonImplementation.NewtonsoftJson)]
-    public async Task TestErrorAsyncWithOldTaskConverter(JsonImplementation jsonImplementation)
-    {
-        // arrange
-        ExpectGetAllReviewsAndReturnError();
-
-        var reviewSvc = CreateRestClientBuilder(jsonImplementation)
-            .Accept("application/json")
-            .ContentType("application/json")
-            .With(new TaskConverterFactory())
-            .With(_loggerFactory.CreateLogger<RestClientTests>())
-            .With(_mockHttp.ToHttpClient())
-            .BaseUri(BaseUri)
-            .Build<IMovieReviewService>();
-
-        // act
-        var aggregateException =
-            await Assert.ThrowsAsync<AggregateException>(() => reviewSvc.GetAllReviews(MovieId));
-
-        // assert
-        _mockHttp.VerifyNoOutstandingExpectation();
-
-        Assert.IsType<RestClientException>(aggregateException.InnerException);
-        var exception = (RestClientException)aggregateException.InnerException!;
-
-        Assert.Equal(HttpStatusCode.NotFound, exception.StatusCode);
-        var error = exception.GetErrorResponse<ErrorResponse>();
-        Assert.Equal(34, error.Errors[0].Code);
-        Assert.Equal("Sorry, that page does not exist", error.Errors[0].Message);
-    }
-
     [Theory]
     [InlineData(JsonImplementation.SystemTextJson)]
     [InlineData(JsonImplementation.NewtonsoftJson)]