refactor(host): 重构主机配置相关代码

- 修改配置项名称：将 ConfigMaxBytesMonth 改为 ConfigMaxProtection，以更准确地描述高防防护能力
- 移除未使用的代码：注释掉与 ConfigMaxBytesMonth相关的代码，简化代码结构

internal/service/host.go

@@ -37,7 +37,7 @@ const (
 	ConfigMaxBandwidth         = "高带宽转发规则条目"
 	ConfigSourceMachines       = "支持源机"
 	ConfigBps                  = "带宽"
-	ConfigMaxBytesMonth        = "高防防护能力"
+	ConfigMaxProtection      = "高防防护能力"
 	ConfigPortCount 		   = "防御端口数量"
 	ConfigDomainCount          = "防御域名（需要备案）"
 	ConfigOperator             = "高防线路"
@@ -214,9 +214,9 @@ func (s *hostService) GetGlobalLimitConfig(ctx context.Context, hostId int) (v1.
 	if val, ok := configsMap[ConfigBps]; ok {
 		data.Bps = val
 	}
-	if val, ok := configsMap[ConfigMaxBytesMonth]; ok {
-		data.MaxBytesMonth = val
-	}
+	//if val, ok := configsMap[ConfigMaxBytesMonth]; ok {
+	//	data.MaxBytesMonth = val
+	//}
 	if val, ok := configsMap[ConfigPortCount]; ok {
 		data.PortCount, err = cast.ToIntE(val)
 		if err != nil {