Use read-only autoimplemented property when possible

OpenRA.Mods.Common/Traits/World/ActorMap.cs

@@ -185,8 +185,8 @@ namespace OpenRA.Mods.Common.Traits
 		readonly HashSet<Actor> removeActorPosition = new HashSet<Actor>();
 		readonly Predicate<Actor> actorShouldBeRemoved;
 
-		public WDist LargestActorRadius { get; private set; }
-		public WDist LargestBlockingActorRadius { get; private set; }
+		public WDist LargestActorRadius { get; }
+		public WDist LargestBlockingActorRadius { get; }
 
 		public ActorMap(World world, ActorMapInfo info)
 		{

OpenRA.Mods.Common/Traits/World/ControlGroups.cs

@@ -28,7 +28,7 @@ namespace OpenRA.Mods.Common.Traits
 	public class ControlGroups : IControlGroups, ITick, IGameSaveTraitData
 	{
 		readonly World world;
-		public string[] Groups { get; private set; }
+		public string[] Groups { get; }
 
 		readonly List<Actor>[] controlGroups;
 

OpenRA.Mods.Common/Traits/World/EditorActionManager.cs

@@ -161,15 +161,15 @@ namespace OpenRA.Mods.Common.Traits
 		{
 		}
 
-		public string Text { get; private set; }
+		public string Text { get; }
 
 		public EditorActionStatus Status { get; set; }
 	}
 
 	public class EditorActionContainer
 	{
-		public int Id { get; private set; }
-		public IEditorAction Action { get; private set; }
+		public int Id { get; }
+		public IEditorAction Action { get; }
 		public EditorActionStatus Status { get; set; }
 
 		public EditorActionContainer(int id, IEditorAction action)

OpenRA.Mods.Common/Traits/World/EditorActorPreview.cs

@@ -38,7 +38,7 @@ namespace OpenRA.Mods.Common.Traits
 
 		public string ID { get; set; }
 		public PlayerReference Owner { get; set; }
-		public SubCell SubCell { get; private set; }
+		public SubCell SubCell { get; }
 		public bool Selected { get; set; }
 		public Color RadarColor { get; private set; }
 		readonly RadarColorFromTerrainInfo terrainRadarColorInfo;