[jira] [Created] (FLINK-11460) Remove useless AcknowledgeStreamMockEnvironment

[Shang Yuanchun (Jira)]

zhijiang created FLINK-11460:
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             Summary: Remove useless AcknowledgeStreamMockEnvironment
                 Key: FLINK-11460
                 URL: https://issues.apache.org/jira/browse/FLINK-11460
             Project: Flink
          Issue Type: Task
          Components: Tests
            Reporter: zhijiang
            Assignee: zhijiang
             Fix For: 1.8.0


This class is not used any more in the code path, so delete it directly.



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