Remove remaining non-fluent server->client messages.

OpenRA.Game/Server/Server.cs

@@ -950,14 +950,6 @@ namespace OpenRA.Server
 			DispatchOrdersToClient(conn, 0, 0, Order.FromTargetString(order, data, true).Serialize());
 		}
 
-		public void SendMessage(string text)
-		{
-			DispatchServerOrdersToClients(Order.FromTargetString("Message", text, true));
-
-			if (Type == ServerType.Dedicated)
-				WriteLineWithTimeStamp(text);
-		}
-
 		public void SendFluentMessage(string key, params object[] args)
 		{
 			var text = FluentMessage.Serialize(key, args);

OpenRA.Mods.Common/ServerTraits/LobbyCommands.cs

@@ -328,7 +328,7 @@ namespace OpenRA.Mods.Common.Server
 
 				if (server.LobbyInfo.Slots.All(sl => server.LobbyInfo.ClientInSlot(sl.Key) == null))
 				{
-					server.SendOrderTo(conn, "Message", NoStartWithoutPlayers);
+					server.SendFluentMessageTo(conn, NoStartWithoutPlayers);
 					return true;
 				}