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-text.go

@@ -94,7 +94,7 @@ func TextHelper(c *gin.Context) (openaiErr *dto.OpenAIErrorWithStatusCode) {
 	}
 	relayInfo.UpstreamModelName = textRequest.Model
 	modelPrice, getModelPriceSuccess := common.GetModelPrice(textRequest.Model, false)
-	groupRatio := common.GetGroupRatio(relayInfo.Group)
+	groupRatio := setting.GetGroupRatio(relayInfo.Group)
 
 	var preConsumedQuota int
 	var ratio float64