Revert "meta: Fix return code of update-meta script."

This reverts commit 5dd92fc67a29352226490a2f6195c09d8e8c77d0.
Revert "meta: Do not trigger restart of services, we want puppet to handle this."

This reverts commit 9e92adda95c3c7ca68cc6427e976f2d017f6af64.
bird: Schedule restart on config change