remove upstream count

structure.go

@@ -1,17 +1,12 @@
 package main
 
 import (
-	"time"
-
 	"gorm.io/gorm"
 )
 
 // one openai upstream contain a pair of key and endpoint
 type OPENAI_UPSTREAM struct {
 	gorm.Model
-	SK                  string `gorm:"index:idx_sk_endpoint,unique"` // key
-	Endpoint            string `gorm:"index:idx_sk_endpoint,unique"` // endpoint
-	SuccessCount        int64
-	FailedCount         int64
-	LastCallSuccessTime time.Time
+	SK       string `gorm:"index:idx_sk_endpoint,unique"` // key
+	Endpoint string `gorm:"index:idx_sk_endpoint,unique"` // endpoint
 }