清理无用自动化字段 web-flow

feat:明确root语义 (#740)

This reverts commit 6f751209.

This reverts commit bb33c312, reversing
changes made to b9b4bc6b.

定时任务文档跟使用版本不一致, 导致时间配置上有点差异

修改
- server/api/v1/sys_system.go
- server/config.yaml
- server/config/auto_code.go
- server/service/sys_auto_code.go
新增
- server/utils/reload.go

新增
- server/config/timer.go
- server/initialize/timer.go
- server/utils/db_automation.go
- server/utils/timer/timed_task.go
修改
- server/config.yaml
- server/config/config/go
- server/global/global.go
- server/main.go

修改
- server/config.yaml
- server/config/config.go
- server/config/viper.go
- server/service/sys_auto_code.go
新增
- server/config/auto_code.go