Removed redundant line

Author: Emerson Beckwith

Lib/test/test_asyncio/test_locks.py

@@ -190,7 +190,6 @@ async def lockit(name, blocker):
         self.assertTrue(ta.done())
         self.assertTrue(tb.cancelled())
         await tc
-        self.assertTrue(tc.done())
 
     async def test_cancel_release_race(self):
         # Issue 32734