Remove ICMP based pinger

OpenRA.Game/Server/Connection.cs

@@ -25,8 +25,6 @@ namespace OpenRA.Server
 		public int ExpectLength = 8;
 		public int Frame = 0;
 		public int MostRecentFrame = 0;
-		public string RemoteAddress;
-		public int Latency = -1;
 
 		/* client data */
 		public int PlayerIndex;
@@ -101,34 +99,6 @@ namespace OpenRA.Server
 					}
 				}
 		}
-
-		bool hasBeenPinged;
-		public void Ping()
-		{
-			if (!hasBeenPinged)
-			{
-				hasBeenPinged = true;
-				var pingSender = new Ping();
-				pingSender.PingCompleted += new PingCompletedEventHandler(pongRecieved);
-				AutoResetEvent waiter = new AutoResetEvent(false);
-				pingSender.SendAsync(RemoteAddress, waiter);
-			}
-		}
-		
-		void pongRecieved(object sender, PingCompletedEventArgs e)
-		{
-			if (e.Cancelled || e.Error != null)
-				Latency = -1;
-			else
-			{
-				PingReply pong = e.Reply;
-				if (pong != null && pong.Status == IPStatus.Success)
-					Latency = (int)pong.RoundtripTime;
-				else
-					Latency = -1;
-			}
-		}
-
 	}
 
 	public enum ReceiveState { Header, Data };