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kubernetes/test/integration
Kubernetes Submit Queue 1dd7faca39 Merge pull request #49356 from duan-yue/code_clear
Automatic merge from submit-queue (batch tested with PRs 49992, 48861, 49267, 49356, 49886)

remove unused function

**What this PR does / why we need it**:
remove unused function which is not used months ago.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```
2017-08-02 05:16:04 -07:00
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