Simplify CanActivateCondition logic

Assets/Scripts/CardEffect/BT21/Black/BT21_062.cs

@@ -289,15 +289,7 @@ namespace DCGO.CardEffects.BT21
 
                 bool CanActivateCondition(Hashtable hashtable)
                 {
-                    if (CardEffectCommons.IsExistOnBattleAreaDigimon(card))
-                    {
-                        if (card.Owner.Enemy.GetBattleAreaDigimons().Count >= 1)
-                        {
-                            return true;
-                        }
-                    }
-
-                    return false;
+                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card);
                 }
 
                 IEnumerator ActivateCoroutine(Hashtable _hashtable)
@@ -449,4 +441,4 @@ namespace DCGO.CardEffects.BT21
             return cardEffects;
         }
     }
-}
+}