Merge pull request #13172 from pchote/mod-metadata-cleanup

Remove metadata that was only used by the mod chooser.

OpenRA.Game/Manifest.cs

@@ -34,9 +34,7 @@ namespace OpenRA
 	public class ModMetadata
 	{
 		public string Title;
-		public string Description;
 		public string Version;
-		public string Author;
 		public bool Hidden;
 	}