handler: Remove redundant package alias

Signed-off-by: Evgenii Baidakov <evgenii@nspcc.io>

api/handler/put.go

@@ -6,7 +6,7 @@ import (
 	"encoding/base64"
 	"encoding/json"
 	"encoding/xml"
-	errorsStd "errors"
+	"errors"
 	"fmt"
 	"io"
 	"net"
@@ -337,7 +337,7 @@ func formEncryptionParams(r *http.Request) (enc encryption.Params, err error) {
 	}
 
 	if r.TLS == nil {
-		return enc, errorsStd.New("encryption available only when TLS is enabled")
+		return enc, errors.New("encryption available only when TLS is enabled")
 	}
 
 	if sseCustomerAlgorithm != layer.AESEncryptionAlgorithm {
@@ -777,7 +777,7 @@ func (h handler) setPolicy(prm *layer.CreateBucketParams, locationConstraint str
 	policy, err := h.placementPolicyProvider.GetPlacementPolicy(locationConstraint)
 	if err != nil {
 		// nothing to do.
-		if errorsStd.Is(err, models.ErrNotFound) {
+		if errors.Is(err, models.ErrNotFound) {
 			return
 		}