[#1508] node: Remove unused replicator code

The node does not support asynchronous object replication anymore, so it
does not need to have replicator worker, channel and `AddTask` function.

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>

cmd/neofs-node/object.go

@@ -217,8 +217,6 @@ func initObjectService(c *cfg) {
 		),
 	)
 
-	c.workers = append(c.workers, repl)
-
 	pol := policer.New(
 		policer.WithLogger(c.log),
 		policer.WithLocalStorage(ls),

pkg/services/replicator/process.go

@@ -9,39 +9,6 @@ import (
 	"go.uber.org/zap"
 )
 
-func (p *Replicator) Run(ctx context.Context) {
-	defer func() {
-		close(p.ch)
-		p.log.Info("routine stopped")
-	}()
-
-	p.ch = make(chan *Task, p.taskCap)
-
-	p.log.Info("process routine",
-		zap.Uint32("task queue capacity", p.taskCap),
-		zap.Duration("put timeout", p.putTimeout),
-	)
-
-	for {
-		select {
-		case <-ctx.Done():
-			p.log.Warn("context is done",
-				zap.String("error", ctx.Err().Error()),
-			)
-
-			return
-		case task, ok := <-p.ch:
-			if !ok {
-				p.log.Warn("trigger channel is closed")
-
-				return
-			}
-
-			p.HandleTask(ctx, task)
-		}
-	}
-}
-
 // HandleTask executes replication task inside invoking goroutine.
 func (p *Replicator) HandleTask(ctx context.Context, task *Task) {
 	defer func() {

pkg/services/replicator/replicator.go

@@ -13,16 +13,12 @@ import (
 // local objects to remote nodes.
 type Replicator struct {
 	*cfg
-
-	ch chan *Task
 }
 
 // Option is an option for Policer constructor.
 type Option func(*cfg)
 
 type cfg struct {
-	taskCap uint32
-
 	putTimeout time.Duration
 
 	log *logger.Logger

pkg/services/replicator/task.go

@@ -14,17 +14,6 @@ type Task struct {
 	nodes netmap.Nodes
 }
 
-// AddTask pushes replication task to Replicator queue.
-//
-// If task queue is full, log message is written.
-func (p *Replicator) AddTask(t *Task) {
-	select {
-	case p.ch <- t:
-	default:
-		p.log.Warn("task queue is full")
-	}
-}
-
 // WithCopiesNumber sets number of copies to replicate.
 func (t *Task) WithCopiesNumber(v uint32) *Task {
 	if t != nil {