Cleanup IContainer

src/Umbraco.Core/Composing/LightInject/LightInjectContainer.cs

@@ -20,8 +20,6 @@ namespace Umbraco.Core.Composing.LightInject
         protected LightInjectContainer(ServiceContainer container)
         {
             Container = container;
-
-            container.RegisterSingleton<IContainer>(_ => this);
         }
 
         /// <summary>
@@ -154,6 +152,12 @@ namespace Umbraco.Core.Composing.LightInject
             return ctor.Invoke(ctorArgs);
         }
 
+        /// <inheritdoc />
+        public void Release(object instance)
+        {
+            // nothing to release with LightInject
+        }
+
         // notes:
         // we may want to look into MS code, eg:
         // TypeActivatorCache in MVC at https://github.com/aspnet/Mvc/blob/dev/src/Microsoft.AspNetCore.Mvc.Core/Internal/TypeActivatorCache.cs
@@ -318,11 +322,6 @@ namespace Umbraco.Core.Composing.LightInject
 
         #endregion
 
-        public void Release(object instance)
-        {
-            // fixme - no idea how to do this with LI
-        }
-
         #region Control
 
         /// <inheritdoc />