Title coumn for Purchase Trade Condition module list or Sale Trade Condition module list should be just 'Title' instead of 'Purchase Trade Condition' or 'Sale Trade Condition'.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@29801 20353a03-c40f-0410-a6d1-a30d3c3de9de