Remove unnecessary call to wxClientDC::SetFont() in wxStaticText

wxClientDC already uses the font of the associated window by default, so
there is no need to set it explicitly.

No real changes, this is just a micro optimization.

src/msw/stattext.cpp

@@ -89,11 +89,6 @@ WXDWORD wxStaticText::MSWGetStyle(long style, WXDWORD *exstyle) const
 wxSize wxStaticText::DoGetBestClientSize() const
 {
     wxClientDC dc(const_cast<wxStaticText *>(this));
-    wxFont font(GetFont());
-    if (!font.IsOk())
-        font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
-
-    dc.SetFont(font);
 
     wxCoord widthTextMax, heightTextTotal;
     dc.GetMultiLineTextExtent(GetLabelText(), &widthTextMax, &heightTextTotal);