...
Please refrain from removing any status and transition that leads to supervisor acceptance of a leave - if supervisor's role is to be omitted, then user's remaining quota of available days for particular leave won't be calculated properly. If you plan to make a workflow looking like a one below - be advised - it won't work:
4) Post-function of "create" transition needs to be altered:
Please edit the post-function marked in red:
to this setting:
when it's changed to not foget to press "Publish" button:
5) Remember about saving workflow changes and next step is to assign Vacation Manager issue types (if you have already created it) to a workflow copy:
...
If there are no Vacation Types created yet, then this step is to be skipped.
56) Finally you can request a leave that goes directly to user's line directly after pressing "Create":
...