Fix comment in stepwise (follow up to #5555) [skip ci]

Author: nicoddemus

src/_pytest/stepwise.py

@@ -71,7 +71,6 @@ def pytest_collection_modifyitems(self, session, config, items):
         config.hook.pytest_deselected(items=already_passed)
 
     def pytest_runtest_logreport(self, report):
-        # Skip this hook if plugin is not active or the test is xfailed.
         if not self.active:
             return