message: Remove unimplemented SetCrypted from DescriptorScriptPubKeyMan
diff: @@ -530,8 +530,6 @@ private:
  KeyMap m_map_keys GUARDED_BY(cs_desc_man);
  CryptedKeyMap m_map_crypted_keys GUARDED_BY(cs_desc_man);
  - bool SetCrypted();
  -
  //! keeps track of whether Unlock has run a thorough check before
  bool m_decryption_thoroughly_checked = false;
  