Added Zelda Delivered rule to Flute usage if Standard

BaseClasses.py

@@ -1365,6 +1365,8 @@ class CollectionState(object):
         return self.has('Fire Rod', player) or self.has('Lamp', player)
 
     def can_flute(self, player):
+        if self.world.mode[player] == 'standard' and not self.has('Zelda Delivered', player):
+            return False
         if any(map(lambda i: i.name in ['Ocarina', 'Ocarina (Activated)'], self.world.precollected_items)):
             return True
         lw = self.world.get_region('Kakariko Area', player)