Remove dead code from the GM. update_from_event is writing its own me…

…mories and returns none.

PiperOrigin-RevId: 588081410
Change-Id: I9643ddf6f5aeea446acb4669fba26bb5fbb210e8

concordia/environment/game_master.py

@@ -202,24 +202,12 @@ def update_from_player(self, player_name: str, action_attempt: str):
     def get_externality(externality):
       return externality.update_after_event(event_statement)
 
-    consequences = []
     if self._concurrent_externalities:
       with concurrent.futures.ThreadPoolExecutor() as executor:
-        for result in executor.map(
-            get_externality, list(self._components.values())):
-          if result:
-            consequences.extend(result)
+        executor.map(get_externality, self._components.values())
     else:
       for externality in self._components.values():
-        result = externality.update_after_event(event_statement)
-        if result:
-          consequences.extend(result)
-
-    for fact in consequences:
-      if fact:
-        if self._verbose:
-          self._print(fact, 'white')
-        self._memory.add(fact)  # could be multi-threaded, helps with importance
+        externality.update_after_event(event_statement)
 
     self._last_chain = prompt