Fix possible data race on tests (go-gitea#30093)

Author: lunny

services/webhook/deliver_test.go

@@ -105,7 +105,6 @@ func TestWebhookDeliverAuthorizationHeader(t *testing.T) {
 	err := hook.SetHeaderAuthorization("Bearer s3cr3t-t0ken")
 	assert.NoError(t, err)
 	assert.NoError(t, webhook_model.CreateWebhook(db.DefaultContext, hook))
-	db.GetEngine(db.DefaultContext).NoAutoTime().DB().Logger.ShowSQL(true)
 
 	hookTask := &webhook_model.HookTask{HookID: hook.ID, EventType: webhook_module.HookEventPush, Payloader: &api.PushPayload{}}