Remove Tracker v1

Change-Id: I55c9c9186ec46cc1ade8caed7c237f3b0c858940
Merge commit 'refs/changes/10/2510/1' of ssh://gerrit.tuleap.net:29418/tuleap into stable

* ssh://gerrit.tuleap.net:29418/tuleap:
  Remove Tracker v1
This is Tuleap 7.1.99.2

Change-Id: I591bbb63e32e7da85fdb332575c35078255c531f