remove deprecated test

tests/test_proposals.py

@@ -94,6 +94,7 @@ class Testcases(unittest.TestCase):
             getOperationNameForId(prop["proposed_ops"][0]["op"][0]),
             "transfer")
 
+    """
     def test_finalizeOps_changeproposer_legacy(self):
         bts = self.bts
         bts.proposer = "init5"
@@ -109,6 +110,7 @@ class Testcases(unittest.TestCase):
         self.assertEqual(
             getOperationNameForId(prop["proposed_ops"][0]["op"][0]),
             "transfer")
+    """
 
     def test_new_proposals(self):
         bts = self.bts