Remove a now-useless comment in the thrift-py3 unit tests

Summary: This unit test was fixed in D68822077 but I forgot to remove this comment explaining why it was failing. Removing it now.

Reviewed By: prakashgayasen

Differential Revision: D69140934

fbshipit-source-id: d48a1d091a27b929e909d123af0f9477defdde81

thrift/lib/py3/test/auto_migrate/reflection.py

@@ -41,7 +41,6 @@
 
 
 class ReflectionTests(unittest.TestCase):
-    # Fails due to containers not working
     def test_struct(self) -> None:
         x = easy(val=1, an_int=Integers(small=300), name="foo", val_list=[1, 2, 3, 4])
         self.assertTrue(inspectable(x))