When BT A defined that portal type X shall be chained with workflows
1 and 2, but later same Business Template defines that workflow 2
shall not be chained the workflow chain shall be updated.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@45130 20353a03-c40f-0410-a6d1-a30d3c3de9de