**What type of PR is this?**
/kind cleanup

**What this PR does / why we need it**:
$ hack/verify-golint.sh
Errors from golint:
pkg/cloudprovider/providers/aws/aws_fakes.go:357:9: if block ends with a return statement, so drop this else and outdent its block
pkg/volume/util/util.go:204:9: if block ends with a return statement, so drop this else and outdent its block

**Which issue(s) this PR fixes** *(optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged)*:

**Special notes for your reviewer**:

**Release note**:
```
NONE
```