to_4.0.md: Clean up GraphQL update for partial merge

Author: adriendupuis

docs/update_and_migration/from_3.3/to_4.0.md

@@ -179,8 +179,6 @@ Some property names has changed and your GraphQL queries need to be updated.
 | `FolderContent`              | `FolderItem`              |
 | `<ContentType>Content`       | `<ContentType>Item`       |
 
-TODO: Example with more renamed elements
-
 Example of updated query
 
 <table>