do not use traceclient http for slack messages
The URL is attached to the trace as a label. This is a secret in the
case of Slack.
@@ -108,7 +108,6 @@ func (n *slackNotifier) makeSingleAttempt(ctx context.Context, logger lager.Logg
return false, err
}
req.Header.Set("Content-type", "application/json")
- req = req.WithContext(ctx)
resp, err := n.client.Do(req)
if err != nil {
