Merge pull request #66210 from foxyriver/delete-unused-var

Automatic merge from submit-queue (batch tested with PRs 66158, 66041, 66210). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

splitRE is defined, but is never be referenced

**Which issue(s) this PR fixes** 

splitRE is defined, but is never be referenced

```release-note
NONE
```
pull/8/head
Kubernetes Submit Queue 2018-07-16 09:14:10 -07:00 committed by GitHub
commit b9bd7f2ffb
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@ -21,7 +21,6 @@ import (
"errors"
"fmt"
"math/big"
"regexp"
"strconv"
"strings"
@ -137,9 +136,6 @@ const (
)
var (
// splitRE is used to get the various parts of a number.
splitRE = regexp.MustCompile(splitREString)
// Errors that could happen while parsing a string.
ErrFormatWrong = errors.New("quantities must match the regular expression '" + splitREString + "'")
ErrNumeric = errors.New("unable to parse numeric part of quantity")