since getSearchableText is already well configurable in ERP5Type.Base, we should no longer have such a definition here (and defining SearchableText() instead of getSearchableText() is bad anyway).


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@45069 20353a03-c40f-0410-a6d1-a30d3c3de9de