remove an unused variable (#3278)

Signed-off-by: yeya24 <yb532204897@gmail.com>
This commit is contained in:
yeya24
2019-09-16 02:28:42 -04:00
committed by Miek Gieben
parent ac36144f07
commit 88d25cdc20

View File

@@ -2,7 +2,6 @@ package health
import (
"net/http"
"sync"
"time"
"github.com/coredns/coredns/plugin"
@@ -48,5 +47,3 @@ var (
Help: "Histogram of the time (in seconds) each request took.",
})
)
var once sync.Once