revert some location elements

src/Hl7.Fhir.Base/ElementModel/Adapters/ScopedNodeToTypedElementAdapter.cs

@@ -23,7 +23,7 @@ public ScopedNodeToTypedElementAdapter(IScopedNode node)
             _node = node;
         }
 
-        public string Location => _node.GetLocation();
+        public string Location => throw new System.NotImplementedException();
 
         public IElementDefinitionSummary Definition => throw new System.NotImplementedException();
 

src/Hl7.Fhir.Base/ElementModel/IScopedNode.cs

@@ -16,9 +16,6 @@ namespace Hl7.Fhir.ElementModel
     public interface IScopedNode : IBaseElementNavigator<IScopedNode>
     {
         IScopedNode? Parent { get; }
-
-        int? ChildIndex { get; }
-
     }
 }
 

src/Hl7.Fhir.Base/ElementModel/IScopedNodeExtensions.cs

@@ -15,11 +15,6 @@ namespace Hl7.Fhir.ElementModel
 {
     public static class IScopedNodeExtensions
     {
-        public static string GetLocation(this IScopedNode node) =>
-            node.Parent is null ? node.Name : $"{node.Parent.GetLocation()}.{node.Name}{node.index()}"; // TODO: add unittest and verify this is the definition of Location
-
-        private static string? index(this IScopedNode node) =>
-            node.ChildIndex is null ? null : $"[{node.ChildIndex}]";
         public static IEnumerable<IScopedNode> Children(this IEnumerable<IScopedNode> nodes, string? name = null) =>
            nodes.SelectMany(n => n.Children(name));