minifix: remove duplicate debug enable in usbboot (#1835)
minifix: remove duplicate debug enable in usbboot (#1835)

Changelog-Entry: Remove duplicate debug enabling in usbboot module.
Change-Type: patch
resin-io/herostratus,resin-io/etcher,resin-io/resin-etcher,resin-io/etcher,resin-io/herostratus,resin-io/etcher,resin-io/etcher,resin-io/etcher,resin-io/resin-etcher