Remove legacy restart behaviour.

OpenRA.Game/Game.cs

@@ -803,11 +803,6 @@ namespace OpenRA
 			state = RunStatus.Success;
 		}
 
-		public static void Restart()
-		{
-			state = RunStatus.Restart;
-		}
-
 		public static void AddChatLine(Color color, string name, string text)
 		{
 			OrderManager.AddChatLine(color, name, text);

OpenRA.Game/Support/Program.cs

@@ -22,7 +22,6 @@ namespace OpenRA
 	{
 		Error = -1,
 		Success = 0,
-		Restart = 1,
 		Running = int.MaxValue
 	}
 
@@ -131,11 +130,7 @@ namespace OpenRA
 		{
 			Game.Initialize(new Arguments(args));
 			GC.Collect();
-			var status = Game.Run();
-			if (status == RunStatus.Restart)
-				using (var p = Process.GetCurrentProcess())
-					Process.Start(Assembly.GetEntryAssembly().Location, p.StartInfo.Arguments);
-			return status;
+			return Game.Run();
 		}
 	}
 }

OpenRA.GameMonitor/GameMonitor.cs

@@ -116,7 +116,7 @@ namespace OpenRA
 
 		static void GameProcessExited(object sender, EventArgs e)
 		{
-			if (!(gameProcess.ExitCode == (int)RunStatus.Success || gameProcess.ExitCode == (int)RunStatus.Restart))
+			if (gameProcess.ExitCode != (int)RunStatus.Success)
 				ShowErrorDialog();
 
 			Exit();