Revert "fix:保证excel每次导出列顺序一致 (#1677)" (#1678)

This reverts commit e2d360e8b1.

server/service/system/sys_export_template.go

@@ -12,7 +12,6 @@ import (
 	"gorm.io/gorm"
 	"mime/multipart"
 	"net/url"
-	"sort"
 	"strconv"
 	"strings"
 )
@@ -131,13 +130,9 @@ func (sysExportTemplateService *SysExportTemplateService) ExportExcel(templateID
 	if err != nil {
 		return nil, "", err
 	}
-	var keys []string
-	for key := range templateInfoMap {
-		keys = append(keys, key)
-	}
 	var columns []string
 	var tableTitle []string
-	for _, key := range keys {
+	for key := range templateInfoMap {
 		columns = append(columns, key)
 		tableTitle = append(tableTitle, templateInfoMap[key])
 	}