bulk_create: Remove some long-dead code.

We used to use these in populate_db, but haven't done so in a long
time, and it doesn't seem likely that will change anytime in the
future.

zerver/lib/bulk_create.py

@@ -90,52 +90,3 @@ def bulk_create_streams(realm: Realm,
             recipients_to_create.append(Recipient(type_id=stream['id'],
                                                   type=Recipient.STREAM))
     Recipient.objects.bulk_create(recipients_to_create)
-
-def bulk_create_clients(client_list: Iterable[Text]) -> None:
-    existing_clients = set(client.name for client in Client.objects.select_related().all())  # type: Set[Text]
-
-    clients_to_create = []  # type: List[Client]
-    for name in client_list:
-        if name not in existing_clients:
-            clients_to_create.append(Client(name=name))
-            existing_clients.add(name)
-    Client.objects.bulk_create(clients_to_create)
-
-def bulk_create_huddles(users: Dict[Text, UserProfile], huddle_user_list: Iterable[Iterable[Text]]) -> None:
-    huddles = {}  # type: Dict[Text, Huddle]
-    huddles_by_id = {}  # type: Dict[int, Huddle]
-    huddle_set = set()  # type: Set[Tuple[Text, Tuple[int, ...]]]
-    existing_huddles = set()  # type: Set[Text]
-    for huddle in Huddle.objects.all():
-        existing_huddles.add(huddle.huddle_hash)
-    for huddle_users in huddle_user_list:
-        user_ids = [users[email].id for email in huddle_users]  # type: List[int]
-        huddle_hash = get_huddle_hash(user_ids)
-        if huddle_hash in existing_huddles:
-            continue
-        huddle_set.add((huddle_hash, tuple(sorted(user_ids))))
-
-    huddles_to_create = []  # type: List[Huddle]
-    for (huddle_hash, _) in huddle_set:
-        huddles_to_create.append(Huddle(huddle_hash=huddle_hash))
-    Huddle.objects.bulk_create(huddles_to_create)
-
-    for huddle in Huddle.objects.all():
-        huddles[huddle.huddle_hash] = huddle
-        huddles_by_id[huddle.id] = huddle
-
-    recipients_to_create = []  # type: List[Recipient]
-    for (huddle_hash, _) in huddle_set:
-        recipients_to_create.append(Recipient(type_id=huddles[huddle_hash].id, type=Recipient.HUDDLE))
-    Recipient.objects.bulk_create(recipients_to_create)
-
-    huddle_recipients = {}  # type: Dict[Text, Recipient]
-    for recipient in Recipient.objects.filter(type=Recipient.HUDDLE):
-        huddle_recipients[huddles_by_id[recipient.type_id].huddle_hash] = recipient
-
-    subscriptions_to_create = []  # type: List[Subscription]
-    for (huddle_hash, huddle_user_ids) in huddle_set:
-        for user_id in huddle_user_ids:
-            subscriptions_to_create.append(Subscription(active=True, user_profile_id=user_id,
-                                                        recipient=huddle_recipients[huddle_hash]))
-    Subscription.objects.bulk_create(subscriptions_to_create)