test_metric.py duplicate DummyList removed

Author: Alexander Snorkin

tests/metrics/test_metric.py

@@ -41,20 +41,6 @@ def compute(self):
         pass
 
 
-class DummyList(Metric):
-    name = "DummyList"
-
-    def __init__(self):
-        super().__init__()
-        self.add_state("x", list(), dist_reduce_fx=None)
-
-    def update(self):
-        pass
-
-    def compute(self):
-        pass
-
-
 def test_inherit():
     Dummy()