[#411] Remove unnecessary pointers for sync objects

Signed-off-by: Alejandro Lopez <a.lopez@yadro.com>

pkg/morph/client/constructor.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"sync"
 	"time"
 
 	"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
@@ -105,13 +104,12 @@ func New(ctx context.Context, key *keys.PrivateKey, opts ...Option) (*Client, er
 	}
 
 	cli := &Client{
-		cache:      newClientCache(),
-		logger:     cfg.logger,
-		acc:        acc,
-		accAddr:    accAddr,
-		cfg:        *cfg,
-		switchLock: &sync.RWMutex{},
-		closeChan:  make(chan struct{}),
+		cache:     newClientCache(),
+		logger:    cfg.logger,
+		acc:       acc,
+		accAddr:   accAddr,
+		cfg:       *cfg,
+		closeChan: make(chan struct{}),
 	}
 
 	cli.endpoints.init(cfg.endpoints)
@@ -198,7 +196,6 @@ func newActor(ws *rpcclient.WSClient, acc *wallet.Account, cfg cfg) (*actor.Acto
 func newClientCache() cache {
 	c, _ := lru.New[util.Uint256, uint32](100) // returns error only if size is negative
 	return cache{
-		m:         &sync.RWMutex{},
 		txHeights: c,
 	}
 }