 [det]http_delete_handler(+Spec)Delete handler for Spec. Typically, this should only be used 
for handlers that are registered dynamically. Spec is one of:
[det]http_delete_handler(+Spec)Delete handler for Spec. Typically, this should only be used 
for handlers that are registered dynamically. Spec is one of:
- id(Id)
- Delete a handler with the given id. The default id is the 
handler-predicate-name.
- path(Path)
- Delete handler that serves the given path.