No longer load tv3 datastructure

This is part of request #7314: Remove legacy DB tables creation

Change-Id: Ie558a9e3f22778c0275eb4bd38f0f5ae75c0ccfb
Merge commit 'refs/changes/11/2511/6' of ssh://gerrit.tuleap.net:29418/tuleap into stable

* ssh://gerrit.tuleap.net:29418/tuleap:
  No longer load tv3 datastructure
This is Tuleap 7.7.99.14

Change-Id: Id57133e4ed9d443987377c56f878adbf3471ee7a