Add note about possibly superfluous mappings

Author: niklasl

source/vocab/newtypes/rdacontentpatterns.ttl

@@ -15,6 +15,8 @@ prefix kbrda: <https://id.kb.se/term/rda/>
 
 # TODO: Define restriction classes as ptg:abstract true?
 
+# TODO: Remove? These are superfluous if :contentType relation to a :ContentType is entailed by :genreForm with such as a :broaderTransitive.
+
 :TextContent a owl:Restriction ;
   owl:onProperty :contentType ; owl:hasValue kbrda:Text .