清理掉定时任务config配置，修改为代码内书写 (#1578)

server/utils/db_automation.go

@@ -1,29 +0,0 @@
-package utils
-
-import (
-	"errors"
-	"fmt"
-	"time"
-
-	"gorm.io/gorm"
-)
-
-//@author: [songzhibin97](https://github.com/songzhibin97)
-//@function: ClearTable
-//@description: 清理数据库表数据
-//@param: db(数据库对象) *gorm.DB, tableName(表名) string, compareField(比较字段) string, interval(间隔) string
-//@return: error
-
-func ClearTable(db *gorm.DB, tableName string, compareField string, interval string) error {
-	if db == nil {
-		return errors.New("db Cannot be empty")
-	}
-	duration, err := time.ParseDuration(interval)
-	if err != nil {
-		return err
-	}
-	if duration < 0 {
-		return errors.New("parse duration < 0")
-	}
-	return db.Debug().Exec(fmt.Sprintf("DELETE FROM %s WHERE %s < ?", tableName, compareField), time.Now().Add(-duration)).Error
-}