Method Unregister

src/validationinterface.cpp:53–61

    }

    void Unregister(CValidationInterface* callbacks)
    {
        LOCK(m_mutex);
        auto it = m_map.find(callbacks);
        if (it != m_map.end()) {
            if (!--it->second->count) m_list.erase(it->second);
            m_map.erase(it);
        }
    }

    //! Clear unregisters every previously registered callback, erasing every
    //! map entry. After this call, the list may still contain callbacks that