make flake8 happy

plone/app/discussion/tests/test_comment.py

@@ -510,4 +510,3 @@ class RepliesTest(unittest.TestCase):
             str(new_re_re_re_id),
             re_re_re_comment.absolute_url()
         )
-

plone/app/discussion/tests/test_controlpanel.py

@@ -213,4 +213,3 @@ class ConfigurationChangedSubscriberTest(unittest.TestCase):
         # enable_moderation checkbox in the discussion control panel. The
         # setting itself remains unchanged.
         self.settings.moderation_enabled = True
-