
It was deprecated during the previous cycle[1] because pool-manager was
already removed from Designate.
Ideally we should maintain this until 2024.1 release because of SLURP.
However the implementation has not been functioning for several cycles
so I propose removing it early,
[1] 8f4986cea4
Change-Id: I919883c7ee3dc2364378a2926ed12b378046128b