split IOrder

OpenRa.Game/Traits/Building.cs

@@ -9,7 +9,7 @@ using OpenRa.Game.Graphics;
 
 namespace OpenRa.Game.Traits
 {
-	class Building : INotifyDamage, IOrder, ITick
+	class Building : INotifyDamage, IResolveOrder, ITick
 	{
 		readonly Actor self;
 		public readonly BuildingInfo unitInfo;
@@ -44,11 +44,6 @@ namespace OpenRa.Game.Traits
 				Sound.Play("kaboom22.aud");
 		}
 
-		public Order IssueOrder(Actor self, int2 xy, MouseInput mi, Actor underCursor)
-		{
-			return null; // sell/repair orders are issued through Chrome, not here.
-		}
-
 		public void ResolveOrder(Actor self, Order order)
 		{
 			if (order.OrderString == "Sell")