Merge pull request #123327 from antoninbas/remove-unused-interface-in-pkg/proxy/util

Remove unused Resolver interface in pkg/proxy/util

pkg/proxy/util/utils.go

@@ -17,7 +17,6 @@ limitations under the License.
 package util
 
 import (
-	"context"
 	"fmt"
 	"net"
 	"strconv"
@@ -86,11 +85,6 @@ func IsLoopBack(ip string) bool {
 	return false
 }
 
-// Resolver is an interface for net.Resolver
-type Resolver interface {
-	LookupIPAddr(ctx context.Context, host string) ([]net.IPAddr, error)
-}
-
 // GetLocalAddrs returns a list of all network addresses on the local system
 func GetLocalAddrs() ([]net.IP, error) {
 	var localAddrs []net.IP