nomad: remove unused default schedular variable
nomad: remove unused default schedular variable

This is from a merge conflict resolution that went the wrong direction.

I assumed the block had been added, but really it had been removed. Now,
it is removed once again.

hashicorp/nomad,hashicorp/nomad,dvusboy/nomad,hashicorp/nomad,hashicorp/nomad,hashicorp/nomad,burdandrei/nomad,hashicorp/nomad,dvusboy/nomad,burdandrei/nomad,burdandrei/nomad,dvusboy/nomad,burdandrei/nomad,dvusboy/nomad,dvusboy/nomad,dvusboy/nomad,dvusboy/nomad,burdandrei/nomad,burdandrei/nomad,burdandrei/nomad