minor fixes

pkg/cloudprovider/retry.go

@@ -3,8 +3,6 @@ package cloudprovider
 import (
 	"strings"
 	"time"
-
-	"yunion.io/x/log"
 )
 
 func IsError(err error, errs []string) bool {
@@ -31,17 +29,3 @@ func RetryOnError(tryFunc func() error, errs []string, maxTries int) error {
 	}
 	return ErrTimeout
 }
-
-func Retry(tryFunc func() error, maxTries int) error {
-	tried := 0
-	for tried < maxTries {
-		err := tryFunc()
-		if err == nil {
-			return nil
-		}
-		tried += 1
-		log.Errorf("Tried %d fail %s", tried, err)
-		time.Sleep(10 * time.Duration(tried) * time.Second)
-	}
-	return ErrTimeout
-}