Removed duplicated include

Change-Id: I4e02a3a6898159dc6f2496c1a67ce477bc59cfe5
Reviewed-on: https://gerrit.libreoffice.org/70439
Tested-by: Jenkins
Reviewed-by: Jens Carl <j.carl43@gmx.de>

svx/source/accessibility/svxrectctaccessiblecontext.cxx

@@ -32,7 +32,6 @@
 #include <tools/debug.hxx>
 #include <tools/gen.hxx>
 #include <sal/log.hxx>
-#include <vcl/svapp.hxx>
 #include <vcl/settings.hxx>
 #include <svx/strings.hrc>
 #include <svx/dlgctrl.hxx>