Remove duplicated include

Change-Id: Ibef1d79b091efca721eb3e5304f4b15b95b6bfff
Reviewed-on: https://gerrit.libreoffice.org/69288
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
Tested-by: Julien Nabet <serval2412@yahoo.fr>
diff --git a/sfx2/source/appl/sfxhelp.cxx b/sfx2/source/appl/sfxhelp.cxx
index ab7ca70..99042b9 100644
--- a/sfx2/source/appl/sfxhelp.cxx
+++ b/sfx2/source/appl/sfxhelp.cxx
@@ -71,7 +71,6 @@
#include <comphelper/lok.hxx>
#include <LibreOfficeKit/LibreOfficeKitEnums.h>
#include <sfx2/viewsh.hxx>
#include <officecfg/Office/Common.hxx>

#include "newhelp.hxx"
#include <sfx2/objsh.hxx>