Automatic merge from submit-queue

[Scheduler] Remove error since err is always nil
Signed-off-by: sakeven <jc5930@sina.cn>



**What this PR does / why we need it**:

No need to log error since err is always nil.

**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**:

```
NONE
```