[Modify] Remove it

Author: sta

websocket-sharp/Net/HttpListenerResponse.cs

@@ -604,15 +604,6 @@ private bool canAddOrUpdate (Cookie cookie)
  return false;
  }
 
- private void checkDisposedOrHeadersSent ()
- {
- if (_disposed)
- throw new ObjectDisposedException (GetType ().ToString ());
-
- if (_headersSent)
- throw new InvalidOperationException ("Cannot be changed after the headers are sent.");
- }
-
  private void close (bool force)
  {
  _disposed = true;