message: simplified File::get_encryption_key()
diff: @@ -1238,17 +1238,8 @@ void File::set_encryption_key(const char* key)
  const char* File::get_encryption_key()
  {
  -#if REALM_ENABLE_ENCRYPTION
  - if (m_encryption_key) {
  return m_encryption_key.get();
  }
  - else {
  - return nullptr;
  - }
  -#else
  - return nullptr;
  -#endif
  -}
  #ifndef _WIN32
  