Remove not existing workflows' transitions.

4 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
failed SlapOS-Master.UnitTest-Master

02:17:37

passed Wendelin.UnitTest-Master

00:37:26

failed SlapOS-Master.UnitTest-Master

01:47:22

passed Wendelin.UnitTest-Master

00:26:34