komenco: Switch back to codeception version 2.0
komenco: Switch back to codeception version 2.0

The codeception version 2.1 caused stability problems during builds.

Change-Id: I6c015ad76b887536b551d46f9f6366bd259c3bf6

bmwcarit/komenco,bmwcarit/komenco,bmwcarit/komenco