bpo-40443: Remove unused imports in tests (GH-19805)

diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py
index 4817d76..1bfbcb8 100644
--- a/Lib/test/test_re.py
+++ b/Lib/test/test_re.py
@@ -2217,7 +2217,7 @@
 
     def test_re_tests(self):
         're_tests test suite'
-        from test.re_tests import tests, SUCCEED, FAIL, SYNTAX_ERROR
+        from test.re_tests import tests, FAIL, SYNTAX_ERROR
         for t in tests:
             pattern = s = outcome = repl = expected = None
             if len(t) == 5: