Core: replace Location.event with advancement property (#2871)

worlds/oot/Location.py

@@ -44,14 +44,11 @@ class OOTLocation(Location):
         self.vanilla_item = vanilla_item
         if filter_tags is None: 
             self.filter_tags = None
-        else: 
+        else:
             self.filter_tags = list(filter_tags)
         self.never = False # no idea what this does
         self.disabled = DisableType.ENABLED
 
-        if type == 'Event': 
-            self.event = True
-
     @property
     def dungeon(self):
         return self.parent_region.dungeon