Stop Printing every Command in LoginGui

This is a remnant from the protocol and login development that is no
longer needed.

src/logingui.cpp

@@ -97,7 +97,6 @@ void LoginGui::sendAuthenticateMessage()
 
 void LoginGui::receivedMessageFromServer(const QString& message)
 {
-    logWarning(QStringLiteral("Received: ") + message);
     const Protocol::Command serverCommand = Protocol::Command::fromString(message);
     if (serverCommand.action == Protocol::Action::invalid)
         return;