Remove unnecessary SetAutoLayout(true) calls

There is no need to call SetAutoLayout() explicitly after (or just
before) calling SetSizer() with a valid sizer pointer, as SetSizer()
already enables automatic layout, so just drop the useless calls.

No real changes.

src/generic/fdrepdlg.cpp

@@ -204,7 +204,6 @@ bool wxGenericFindReplaceDialog::Create(wxWindow *parent,
     if ( style & wxFR_NOUPDOWN)
         m_radioDir->Enable(false);
 
-    SetAutoLayout( true );
     SetSizer( topsizer );
 
     topsizer->SetSizeHints( this );