Revert "Add get-available-nodes"
Revert "Add get-available-nodes"

This reverts commit 0a2f02614e0546f42bf96389ac11844070ddd1e6.

Saviq/nova-compute-lxd,tpouyer/nova-lxd,tpouyer/nova-lxd,Saviq/nova-compute-lxd