(nobug) - Remove unused trailhead.wip (#5011)
(nobug) - Remove unused trailhead.wip (#5011)


mozilla/activity-streams,Mardak/activity-stream,mozilla/activity-stream,mozilla/activity-streams,Mardak/activity-stream,Mardak/activity-stream,mozilla/activity-stream,mozilla/activity-stream,Mardak/activity-stream,mozilla/activity-stream