We no longer accept a fence_action parameter - it was a mistake to add
it in the first place (it overrides all actions used with Pacemaker, so
even simple status requests can reboot/poweroff a node) and has now been
officially deprecated by Pacemaker, which causes deployments to fail.
Change-Id: I45e08964b69552eb5b7954278cfe72a5a59e2f8d
Closes-Bug: #1753728
(cherry picked from commit 69b4962d94)