Finished node immutability

Src/AST/Myc.Ast.Lowering.pas

@@ -91,26 +91,6 @@ var
     left, right: IAstNode;
     nodeType: IStaticType;
 begin
-    // Get the type *before* replacing the node (it's an IAstTypedNode)
-    nodeType := Node.AsTypedNode.StaticType;
-
-    // --- Transformation: Keyword-as-Function ---
-    if Node.Callee.Kind = akKeyword then
-    begin
-        var keywordNode := Node.Callee.AsKeyword;
-        if Length(Node.Arguments) <> 1 then
-            raise EArgumentException.CreateFmt(
-                'Keyword :%s expects exactly one argument (the record/map), but got %d',
-                [keywordNode.Value.Name, Length(Node.Arguments)]);
-
-        // Visit the base node
-        var baseNode := Accept(Node.Arguments[0]);
-
-        // Create the new MemberAccess node, preserving the type
-        Result := TAst.MemberAccess(baseNode, keywordNode, nodeType);
-        exit;
-    end;
-
     // --- Optimization: Operator Folding ---
     if Node.Callee.Kind = akIdentifier then
     begin