Fix request #7409 Tv3 export to Tv5: Notice in system event email

 -Extra parameters are useless and throw notices
 -The 'title' in the mail format is used for web pages and so is irrelevant

Change-Id: Ia939887dd6fc29ee69e7984f4f18e3e225dcd8ee
Merge commit 'refs/changes/53/2953/3' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  Fix request #7409 Tv3 export to Tv5: Notice in system event email

Change-Id: Iac7ef49044535ea8be428c46ab13cf95f791a0a3
Tuleap 7.4.99.30

Change-Id: I144e0dcc1d39ecd66bc3e3e2ed78e8090b2be345