message: Remove some unused flags.
diff: @@ -17,7 +17,6 @@ package mac
  import (
  "fmt"
  - "flag"
  "github.com/google/tink/go/core/cryptofmt"
  "github.com/google/tink/go/core/primitiveset"
  "github.com/google/tink/go/core/registry"
  @@ -26,11 +25,6 @@ import (
  tinkpb "github.com/google/tink/go/proto/tink_go_proto"
  )
  -// TODO(b/168188126) Remove once this bug is fixed.
  -var enableComputeOldLegacyMac = flag.Bool(
  - "enable_compute_old_legacy_mac", false,
  - "This flag has no effect anymore.")
  -
  // New creates a MAC primitive from the given keyset handle.
  func New(h *keyset.Handle) (tink.MAC, error) {
  return NewWithKeyManager(h, nil /*keyManager*/)
  