ENH: [STUDIO-1647] use WebView2 put_UserAgent

Change-Id: Ifae6589892353adb4b940fbe77d7d0f9521330dc

src/slic3r/GUI/MarkdownTip.cpp

@@ -81,16 +81,6 @@ MarkdownTip::MarkdownTip()
 
     _timer = new wxTimer;
     _timer->Bind(wxEVT_TIMER, &MarkdownTip::OnTimer, this);
-
-    Bind(EVT_WEBVIEW_RECREATED, [this](auto &evt) {
-        Hide();
-        _lastTip.clear();
-#ifdef __WXMSW__
-        _tipView = dynamic_cast<wxWebView *>(evt.GetEventObject());
-        GetSizer()->Add(_tipView, wxSizerFlags().Expand().Proportion(1));
-        Layout();
-#endif
-    });
 }
 
 MarkdownTip::~MarkdownTip() { delete _timer; }