fix: More debugging code removal

System.Net.WebSockets.Client.Managed/ManagedWebSocket.cs

@@ -625,7 +625,6 @@ private static void WriteRandomMask(byte[] buffer, int offset)
         /// <param name="payloadBuffer">The buffer into which payload data should be written.</param>
         /// <param name="cancellationToken">The CancellationToken used to cancel the websocket.</param>
         /// <returns>Information about the received message.</returns>
-        bool _dumpNext = false;
         private async Task<WebSocketReceiveResult> ReceiveAsyncPrivate(ArraySegment<byte> payloadBuffer, CancellationToken cancellationToken)
         {
             // This is a long method.  While splitting it up into pieces would arguably help with readability, doing so would
@@ -728,7 +727,7 @@ private async Task<WebSocketReceiveResult> ReceiveAsyncPrivate(ArraySegment<byte
                     header.PayloadLength -= bytesToCopy;
 
                     // If this a text message, validate that it contains valid UTF8.
-                    if (_dumpNext || (header.Opcode == MessageOpcode.Text &&
+                    if ((header.Opcode == MessageOpcode.Text &&
                         !TryValidateUtf8(new ArraySegment<byte>(payloadBuffer.Array, payloadBuffer.Offset, bytesToCopy), header.Fin && header.PayloadLength == 0, _utf8TextState)))
                     {
                         await CloseWithReceiveErrorAndThrowAsync(WebSocketCloseStatus.InvalidPayloadData, WebSocketError.Faulted, cancellationToken).ConfigureAwait(false);