Move PLEG event back to CRI

Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>

pkg/cri/sbserver/podsandbox/controller.go

@@ -43,10 +43,6 @@ import (
 type CRIService interface {
 	// TODO: we should implement Event backoff in Controller.
 	BackOffEvent(id string, event interface{})
-
-	// TODO: refactor event generator for PLEG.
-	// GenerateAndSendContainerEvent is called by controller for sandbox container events.
-	GenerateAndSendContainerEvent(ctx context.Context, containerID string, sandboxID string, eventType runtime.ContainerEventType)
 }
 
 // ImageService specifies dependencies to CRI image service.