Remove unused GetTextExtent() call from wxProgressDialog.

This seems to be a left-over from the old, manual positioning code. As we use
sizers now, it's not needed any more.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@64461 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/progdlgg.cpp

@@ -139,11 +139,6 @@ wxProgressDialog::wxProgressDialog(const wxString& title,
 
     m_parentTop = wxGetTopLevelParent(parent);
 
-    wxClientDC dc(this);
-    dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
-    wxCoord widthText = 0;
-    dc.GetTextExtent(message, &widthText, NULL, NULL, NULL, NULL);
-
     // top-level sizerTop
     wxSizer * const sizerTop = new wxBoxSizer(wxVERTICAL);