Move note about changing approval categories to the correct section

In the access control documentation a note that gives additional
information about changing approval categories is missplaced at the
very end of the document. Move it back to the section that explains how
to configure custom approval categories.

Change-Id: I53dcad54211d5729a64dbd69ab9ab5186f2aa68e
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
1 file changed