Add more logging to the controller.

Add logging to the controller so its clear when controller it done
waiting for informer caches to sync.
Do not watch for pipelines deletion in `PipelineRun` controller. We will
address it in #102

cmd/controller/main.go

@@ -158,6 +158,7 @@ func main() {
 		}
 	}
 
+	logger.Info("Starting controllers")
 	// Start all of the controllers.
 	for _, ctrlr := range controllers {
 		go func(ctrlr *controller.Impl) {

pkg/reconciler/v1alpha1/pipelinerun/pipelinerun.go

@@ -81,13 +81,6 @@ func NewController(
 		UpdateFunc: controller.PassNew(impl.Enqueue),
 		DeleteFunc: impl.Enqueue,
 	})
-
-	pipelineInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
-		AddFunc:    impl.Enqueue,
-		UpdateFunc: controller.PassNew(impl.Enqueue),
-		DeleteFunc: impl.Enqueue,
-	})
-
 	return impl
 }