strclass is not used, remove it.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@30088 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/tests/backportUnittest.py

@@ -166,9 +166,6 @@ class TestCase(unittest.TestCase):
     def defaultTestResult(self):
         return TestResult()
 
-def strclass(cls):
-    return "%s.%s" % (cls.__module__, cls.__name__)
-
 class TestResult(unittest.TestResult):
     def __init__(self):
         super(TestResult, self).__init__()