[Modify] Remove it

websocket-sharp/Net/EndPointListener.cs

@@ -381,7 +381,6 @@ namespace WebSocketSharp.Net
         return false;
 
       context.Listener = lsnr;
-      context.Connection.Prefix = pref;
 
       return true;
     }

websocket-sharp/Net/HttpConnection.cs

@@ -71,7 +71,6 @@ namespace WebSocketSharp.Net
     private EndPointListener    _listener;
     private ResponseStream      _outputStream;
     private int                 _position;
-    private HttpListenerPrefix  _prefix;
     private MemoryStream        _requestBuffer;
     private int                 _reuses;
     private bool                _secure;
@@ -137,16 +136,6 @@ namespace WebSocketSharp.Net
       }
     }
 
-    public HttpListenerPrefix Prefix {
-      get {
-        return _prefix;
-      }
-
-      set {
-        _prefix = value;
-      }
-    }
-
     public IPEndPoint RemoteEndPoint {
       get {
         return (IPEndPoint) _socket.RemoteEndPoint;
@@ -241,7 +230,6 @@ namespace WebSocketSharp.Net
       _lineState = LineState.None;
       _outputStream = null;
       _position = 0;
-      _prefix = null;
       _requestBuffer = new MemoryStream ();
     }