<backend | restapi | cli | gwt | wpf | tools | history | engine | userportal | webadmin>: short summary under 50 chars (#xxxxxx)

https://bugzilla.redhat.com/XXXXXX

Longer description using lines' length under 72 chars.

With multiple paragraphs if necessary.

Acked-by: FirstName LastName <email>

<backend | restapi | cli | gwt | wpf | tools | history | engine | userportal | webadmin>: short summary under 50 chars (#xxxxxx)

https://bugzilla.redhat.com/XXXXXX

Longer description using lines' length under 72 chars.

With multiple paragraphs if necessary.

Remove Acked-By from commit template
engine: Remove Acked-By from commit template

Since we push to the git repo through gerrit, we can't update this field
any longer so there is no need to keep it.

Change-Id: I92b36227394d1ae58cb605bdf409994ab49b9e80
