15828: ETHREEOH-2601: Users dialog won't delete users who have no authentication information
- Moved the AuthenticationService.deleteAuthentication() call inside PersonService.deletePerson() and protected with try - catch so that if there is no authentication information (for an upgraded/moved user) the person can still be deleted
- Removed a bunch of redundant deleteAuthentication() calls
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@15829 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261