message: Remove unused variable.
  GitOrigin-RevId:
diff: @@ -63,8 +63,6 @@ class AesGcmKeyFactory : public KeyFactoryBase<AesGcmKey, AesGcmKeyFormat> {
  constexpr uint32_t AesGcmKeyManager::kVersion;
  -const int kMinKeySizeInBytes = 16;
  -
  AesGcmKeyManager::AesGcmKeyManager()
  : key_factory_(absl::make_unique<AesGcmKeyFactory>()) {}
  