[skip ci] Remove useless test code (#8457)

Signed-off-by: Binbin Lv <binbin.lv@zilliz.com>

tests/python_client/testcases/test_partition_20.py

@@ -602,8 +602,6 @@ class TestPartitionOperations(TestcaseBase):
                             check_items={ct.err_code: 1, ct.err_msg: "can't find collection"})
 
     @pytest.mark.tags(CaseLabel.L1)
-    # @pytest.mark.parametrize("partition_name, search_vectors",
-    #                          [(cf.gen_unique_str(prefix), cf.gen_vectors(1, ct.default_dim))])
     def test_partition_release_after_collection_released(self):
         """
         target: verify release a partition after the collection released