anchor.diff:      + deckId: `1233-0000-0000-000000000001` (string, required) - deck UUID which contain flashcard
       + flashcardId: `1233-0000-0000-000000000001` (string, required) - flashcard UUID to delete
   
  -+ Response 200
  ++ Response 204
   
   # Group User
   
  
positive.code: 
      This response is returned when flashcard was created.
      
      + Headers
  
              Access-Control-Expose-Headers: Location
              Location: /decks/1111-0000-0000-000000000001/flashcards/1111-0000-0000-000000000002
  
      + Attributes (Flashcard)
  
  ### Get Flashcard by ID [GET /decks/{deckId}/flashcards/{flashcardId}]
  
negative.code: 
      + Attributes (FlashcardWithoutId)
  
  + Response 204 (application/json)
  
  ### Remove Flashcard [DELETE /decks/{deckId}/flashcards/{flashcardId}]
  
  