PYTHON-4182 Unskip test_unpin_after_TransientTransactionError_error_on_abort on latest (mongodb#1847)

Author: blink1073

test/unified_format.py

@@ -1170,9 +1170,6 @@ def maybe_skip_test(self, spec):
             self.skipTest("Implement PYTHON-1894")
         if "timeoutMS applied to entire download" in spec["description"]:
             self.skipTest("PyMongo's open_download_stream does not cap the stream's lifetime")
-        if "unpin after non-transient error on abort" in spec["description"]:
-            if client_context.version[0] == 8:
-                self.skipTest("Skipping TransientTransactionError pending PYTHON-4182")
 
         class_name = self.__class__.__name__.lower()
         description = spec["description"].lower()