idk why it works now, help

Mau/Card.cs

@@ -1,51 +0,0 @@
-namespace MauMau_Server.Mau;
-
-public class Card
-{
-    public readonly CardType CardType;
-    public readonly CardValue CardValue;
-
-    public Card(CardType cardType, CardValue cardValue)
-    {
-        CardType = cardType;
-        CardValue = cardValue;
-    }
-
-    public override string ToString()
-    {
-        return $"{CardType} {CardValue}";
-    }
-
-    public Card parseCard(string card)
-    {
-        var cardType = card.Split(" ")[0];
-        var cardValue = card.Split(" ")[1];
-        return new Card((CardType)Enum.Parse(typeof(CardType), cardType),
-            (CardValue)Enum.Parse(typeof(CardValue), cardValue));
-    }
-}
-
-public enum CardType
-{
-    SPADES,
-    HEARTS,
-    DIAMONDS,
-    CLUBS
-}
-
-public enum CardValue
-{
-    TWO,
-    THREE,
-    FOUR,
-    FIVE,
-    SIX,
-    SEVEN,
-    EIGHT,
-    NINE,
-    TEN,
-    JACK,
-    QUEEN,
-    KING,
-    ACE
-}