Remove DevCertWithInvalidPrivateKeyProducesCustomWarning test

- test does not behave consistently across platforms
- test already removed in later branches
  - testing in this area has moved to CTI (manual testing)

Author: dougbu

src/Servers/Kestrel/test/InMemory.FunctionalTests/HttpsTests.cs

@@ -384,36 +384,6 @@ await Assert.ThrowsAnyAsync<Exception>(() =>
             Assert.Equal(LogLevel.Debug, loggerProvider.FilterLogger.LastLogLevel);
         }
 
-        [ConditionalFact]
-        [OSSkipCondition(OperatingSystems.Windows)]
-        public async Task DevCertWithInvalidPrivateKeyProducesCustomWarning()
-        {
-            var loggerProvider = new HandshakeErrorLoggerProvider();
-            LoggerFactory.AddProvider(loggerProvider);
-
-            await using (var server = new TestServer(context => Task.CompletedTask,
-                new TestServiceContext(LoggerFactory),
-                listenOptions =>
-                {
-                    listenOptions.UseHttps(TestResources.GetTestCertificate());
-                }))
-            {
-                using (var connection = server.CreateConnection())
-                using (var sslStream = new SslStream(connection.Stream, true, (sender, certificate, chain, errors) => true))
-                {
-                    // SslProtocols.Tls is TLS 1.0 which isn't supported by Kestrel by default.
-                    await Assert.ThrowsAnyAsync<Exception>(() =>
-                        sslStream.AuthenticateAsClientAsync("127.0.0.1", clientCertificates: null,
-                            enabledSslProtocols: SslProtocols.Tls,
-                            checkCertificateRevocation: false));
-                }
-            }
-
-            await loggerProvider.FilterLogger.LogTcs.Task.DefaultTimeout();
-            Assert.Equal(3, loggerProvider.FilterLogger.LastEventId);
-            Assert.Equal(LogLevel.Error, loggerProvider.FilterLogger.LastLogLevel);
-        }
-
         [Fact]
         public async Task OnAuthenticate_SeesOtherSettings()
         {