remove the WinForms map editor

OpenRA.Game/OpenRA.Game.csproj

@@ -171,7 +171,6 @@
     <Compile Include="Traits\Armor.cs" />
     <Compile Include="Traits\CreatesShroud.cs" />
     <Compile Include="Traits\DrawLineToTarget.cs" />
-    <Compile Include="Traits\EditorAppearance.cs" />
     <Compile Include="Traits\EditorTilesetFilter.cs" />
     <Compile Include="Traits\Health.cs" />
     <Compile Include="Traits\LintAttributes.cs" />

OpenRA.Game/Traits/EditorAppearance.cs

@@ -1,20 +0,0 @@
-#region Copyright & License Information
-/*
- * Copyright 2007-2015 The OpenRA Developers (see AUTHORS)
- * This file is part of OpenRA, which is free software. It is made
- * available to you under the terms of the GNU General Public License
- * as published by the Free Software Foundation. For more information,
- * see COPYING.
- */
-#endregion
-
-namespace OpenRA.Traits
-{
-	public class EditorAppearanceInfo : TraitInfo<EditorAppearance>
-	{
-		public readonly bool RelativeToTopLeft = false;
-		public readonly bool UseTerrainPalette = false;
-	}
-
-	public class EditorAppearance { }
-}

OpenRA.Game/Traits/TraitsInterfaces.cs

@@ -350,10 +350,4 @@ namespace OpenRA.Traits
 		void OnObjectiveCompleted(Player player, int objectiveID);
 		void OnObjectiveFailed(Player player, int objectiveID);
 	}
-
-	public interface ILegacyEditorRenderInfo
-	{
-		string EditorPalette { get; }
-		string EditorImage(ActorInfo actor, SequenceProvider sequenceProvider, string race);
-	}
 }

OpenRA.Game/Traits/World/ResourceType.cs

@@ -15,9 +15,6 @@ namespace OpenRA.Traits
 {
 	public class ResourceTypeInfo : ITraitInfo
 	{
-		// HACK: The editor is getting really unmaintanable...
-		public readonly string EditorSprite;
-
 		public readonly string[] Variants = { };
 		public readonly string Palette = "terrain";
 		public readonly string Sequence = "resources";