refactor: migrate group ratio and user usable groups logic to new setting package

- Replaced references to common.GroupRatio and common.UserUsableGroups with corresponding functions from the new setting package across multiple controllers and services.
- Introduced new setting functions for managing group ratios and user usable groups, enhancing code organization and maintainability.
- Updated related functions to ensure consistent behavior with the new setting package integration.

relay/relay_task.go

@@ -16,6 +16,7 @@ import (
 	relaycommon "one-api/relay/common"
 	relayconstant "one-api/relay/constant"
 	"one-api/service"
+	"one-api/setting"
 )
 
 /*
@@ -48,7 +49,7 @@ func RelayTaskSubmit(c *gin.Context, relayMode int) (taskErr *dto.TaskError) {
 	}
 
 	// 预扣
-	groupRatio := common.GetGroupRatio(relayInfo.Group)
+	groupRatio := setting.GetGroupRatio(relayInfo.Group)
 	ratio := modelPrice * groupRatio
 	userQuota, err := model.CacheGetUserQuota(relayInfo.UserId)
 	if err != nil {