[#1953] blobstor: Log any object removal operation

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

pkg/local_object_storage/blobstor/logger.go

@@ -0,0 +1,19 @@
+package blobstor
+
+import (
+	storagelog "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/internal/log"
+	"github.com/nspcc-dev/neofs-node/pkg/util/logger"
+	oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
+)
+
+const deleteOp = "DELETE"
+const putOp = "PUT"
+
+func logOp(l *logger.Logger, op string, addr oid.Address, typ string, sID []byte) {
+	storagelog.Write(l,
+		storagelog.AddressField(addr),
+		storagelog.OpField(op),
+		storagelog.StorageTypeField(typ),
+		storagelog.StorageIDField(sID),
+	)
+}