wallet_manager: omit redundant disconnect, drop unused variable

src/wallet/api/wallet_manager.cpp

@@ -227,9 +227,6 @@ std::string WalletManagerImpl::errorString() const
 
 void WalletManagerImpl::setDaemonAddress(const std::string &address)
 {
-    m_daemonAddress = address;
-    if(m_http_client.is_connected())
-        m_http_client.disconnect();
     m_http_client.set_server(address, boost::none);
 }
 

src/wallet/api/wallet_manager.h

@@ -95,7 +95,6 @@ public:
 private:
     WalletManagerImpl() {}
     friend struct WalletManagerFactory;
-    std::string m_daemonAddress;
     epee::net_utils::http::http_simple_client m_http_client;
     std::string m_errorString;
 };