Refactor to delete add_object_to_related_stores

This is working towards some optimizations.

bookwyrm/activitystreams.py

@@ -39,7 +39,9 @@ class ActivityStream(RedisStore):
     def add_status(self, status, increment_unread=False):
         """add a status to users' feeds"""
         # the pipeline contains all the add-to-stream activities
-        pipeline = self.add_object_to_related_stores(status, execute=False)
+        pipeline = self.add_object_to_stores(
+            status, self.get_stores_for_object(status), execute=False
+        )
 
         if increment_unread:
             for user_id in self.get_audience(status):

bookwyrm/lists_stream.py

@@ -24,8 +24,7 @@ class ListsStream(RedisStore):
 
     def add_list(self, book_list):
         """add a list to users' feeds"""
-        # the pipeline contains all the add-to-stream activities
-        self.add_object_to_related_stores(book_list)
+        self.add_object_to_stores(book_list, self.get_stores_for_object(book_list))
 
     def add_user_lists(self, viewer, user):
         """add a user's lists to another user's feed"""

bookwyrm/redis_store.py

@@ -32,10 +32,6 @@ class RedisStore(ABC):
         # and go!
         return pipeline.execute()
 
-    def add_object_to_related_stores(self, obj, execute=True):
-        """add an object to all suitable stores"""
-        return self.add_object_to_stores(obj, self.get_stores_for_object(obj), execute)
-
     def remove_object_from_related_stores(self, obj, stores=None):
         """remove an object from all stores"""
         # if the stoers are provided, the object can just be an id