fix: remove testdb.go which caused build error due to multiple main functions

testdb.go

@@ -1,19 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"service-warungpos-go/config"
-	"service-warungpos-go/models"
-)
-
-func main() {
-	config.LoadConfig()
-	config.ConnectDatabase()
-
-	var orders []models.Order
-	config.DB.Order("id desc").Limit(3).Find(&orders)
-
-	for _, o := range orders {
-		fmt.Printf("Order: %s | Total: %d | Fee: %d | PayMethod: %s\n", o.OrderNumber, o.TotalAmount, o.PlatformFee, o.PaymentMethod)
-	}
-}