request #6570: Delete old suspended ldap users

Change-Id: I156f0a5e838bc3e51abb3d1fb02a6a479842c9b9
Merge commit 'refs/changes/21/2521/7' of ssh://gerrit.tuleap.net:29418/tuleap into HEAD

* ssh://gerrit.tuleap.net:29418/tuleap:
  request #6570: Delete old suspended ldap users

Change-Id: Ib91d06145ee2f0e11b9c489a8b03bd95cfb5bdeb
This is Tuleap 7.2.99.5

Change-Id: I56877b575432b5e2e350e9f3c815d172d41d58e8