Revert "use pubsub instead of filenotify to follow json logs"

This reverts commit b1594c59f5e0d1ac898eacde8d91b1ba33c2b626.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>

pubsub/publisher.go

@@ -56,10 +56,8 @@ func (p *Publisher) SubscribeTopic(topic topicFunc) chan interface{} {
 // Evict removes the specified subscriber from receiving any more messages.
 func (p *Publisher) Evict(sub chan interface{}) {
 	p.m.Lock()
-	if _, ok := p.subscribers[sub]; ok {
 	delete(p.subscribers, sub)
 	close(sub)
-	}
 	p.m.Unlock()
 }