Remove done TODO

Author: brunorijsman

TODO

@@ -23,9 +23,6 @@ TODO: Figure out how to debug the code (set breakpoint from VSC and document tha
 
 TODO: OpenAPI (Swagger) documentation should show proper type for request and response data
 
-TODO: Use data (instead of value) in Fragment for consistency. Also in documentation (including
-      figures)
-
 TODO: Add test case: start hub later than client (registration retry logic in client)
 
 TODO: Forbid extra query parameters for API calls