remove commented code

Author: bagerard

tests/test_context_managers.py

@@ -37,8 +37,6 @@ def run(self):
             super().run()
         except BaseException as e:
             self.exc = e
-        # finally:
-        #     del self._target, self._args, self._kwargs
 
     def join(self, timeout=None):
         super().join(timeout)