Removed duplicated includes

Change-Id: I2f2c31e3605c1bff353b5749c593305c3fc7028f
Reviewed-on: https://gerrit.libreoffice.org/43044Reviewed-by: Tamás Zolnai <tamas.zolnai@collabora.com>
Tested-by: Tamás Zolnai <tamas.zolnai@collabora.com>

desktop/qa/desktop_lib/test_desktop_lib.cxx

@@ -41,7 +41,6 @@
 #include <cairo.h>
 #include <ostream>
 #include <config_features.h>
-#include <vcl/scheduler.hxx>
 
 #include <lib/init.hxx>
 

vcl/source/window/dialog.cxx

@@ -36,8 +36,6 @@
 #include <rtl/strbuf.hxx>
 #include <sal/log.hxx>
 
-#include "window.h"
-
 #include <vcl/builder.hxx>
 #include <vcl/layout.hxx>
 #include <vcl/svapp.hxx>