fix: fix gemini

relay/common/relay_utils.go

@@ -66,12 +66,3 @@ func GetAPIVersion(c *gin.Context) string {
 	}
 	return apiVersion
 }
-
-func GetAzureAPIVersion(c *gin.Context) string {
-	query := c.Request.URL.Query()
-	apiVersion := query.Get("api-version")
-	if apiVersion == "" {
-		apiVersion = c.GetString("api_version")
-	}
-	return apiVersion
-}