refactor(plan):移除套餐相关的所有修改

internal/controller/admin/admin_v1_order_refund_preview.go

@@ -1,12 +0,0 @@
-package admin
-
-import (
-	"context"
-
-	"github.com/qianfree/team-api/api/admin/v1"
-	"github.com/qianfree/team-api/internal/service"
-)
-
-func (c *ControllerV1) OrderRefundPreview(ctx context.Context, req *v1.OrderRefundPreviewReq) (res *v1.OrderRefundPreviewRes, err error) {
-	return service.Admin().OrderRefundPreview(ctx, req)
-}