style: 备份文件目录检查减少错误log输出

src/modules/crontask/processor/delete_ne_config_backup/delete_ne_config_backup.go

@@ -115,7 +115,7 @@ func (s DeleteNeConfigBackupProcessor) deleteFile(neType, neId string, oldFileDa
 	localPath := filepath.Join("/usr/local/omc/backup/ne_config", neTypeLower, neId)
 	files, err := os.ReadDir(localPath)
 	if err != nil {
-		logger.Errorf("logger Remove ne_config File ReadDir err: %v", err.Error())
+		logger.Infof("logger Remove ne_config File ReadDir err: %v", err.Error())
 		return
 	}
 	for _, file := range files {