mypy: Remove some now-unnecessary type: ignores.

zerver/lib/queue.py

@@ -315,7 +315,7 @@ def queue_json_publish(queue_name: str,
         else:
             # Must be imported here: A top section import leads to obscure not-defined-ish errors.
             from zerver.worker.queue_processors import get_worker
-            get_worker(queue_name).consume_wrapper(event)  # type: ignore # https://github.com/python/mypy/issues/3360
+            get_worker(queue_name).consume_wrapper(event)
 
 def retry_event(queue_name: str,
                 event: Dict[str, Any],

zerver/management/commands/email_mirror.py

@@ -57,7 +57,7 @@ def get_imap_messages() -> Generator[Message, None, None]:
                 msg_as_bytes = msg_data[0][1]
                 message = email.message_from_bytes(msg_as_bytes)
                 yield message
-                mbox.store(msgid, '+FLAGS', '\\Deleted')  # type: ignore # https://github.com/python/typeshed/pull/1762
+                mbox.store(msgid, '+FLAGS', '\\Deleted')
             mbox.expunge()
         finally:
             mbox.close()

zerver/tests/test_type_debug.py

@@ -43,7 +43,7 @@ class TypesPrintTest(TestCase):
         def empty_func() -> None:
             pass
         self.check_signature("empty_func() -> None", None, empty_func)
-        self.check_signature("<lambda>() -> None", None, (lambda: None))  # type: ignore # https://github.com/python/mypy/issues/1932
+        self.check_signature("<lambda>() -> None", None, (lambda: None))
 
     def test_basic(self) -> None:
         self.check_signature("add(float, int) -> float",