libevent seems to have invaded `libbitcoin_common` via `url.cpp`

`url.cpp` is used only from `test/fuzz/string.cpp` and `wallet/rpcwallet.cpp`

libevent should only be required for bitcoind, bitcoin-cli and (due only to the hack of passing wallet names) bitcoin-qt

{
    while (!ShutdownRequested())
    {
        UninterruptibleSleep(std::chrono::milliseconds{200});
    }
    Interrupt(node);
}
static bool AppInit(int argc, char* argv[])
{
    NodeContext node;
    node.chain = interfaces::MakeChain(node);
    bool fRet = false;
    util::ThreadSetInternalName("init");
    
    
    
    
    SetupServerArgs();
    std::string error;
    if (!gArgs.ParseParameters(argc, argv, error)) {
        return InitError(strprintf("Error parsing command line arguments: %s\n", error));
    }
    
    if (HelpRequested(gArgs) || gArgs.IsArgSet("-version")) {
        std::string strUsage = PACKAGE_NAME " version " + FormatFullVersion() + "\n";
        if (gArgs.IsArgSet("-version"))
        {
            strUsage += FormatParagraph(LicenseInfo()) + "\n";
        }